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Task/Perfect-numbers/FreeBASIC/perfect-numbers.freebasic

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+' FB 1.05.0 Win64
+
+Function isPerfect(n As Integer) As Boolean
+   If n < 2 Then Return False
+   If n Mod 2 = 1 Then Return False '' we can assume odd numbers are not perfect
+   Dim As Integer sum = 1, q
+   For i As Integer = 2 To Sqr(n)
+     If n Mod i = 0 Then
+       sum += i
+       q = n \ i
+       If q > i Then sum += q
+     End If
+   Next
+   Return n = sum
+End Function
+
+Print "The first 5 perfect numbers are : "
+For i As Integer = 2 To 33550336
+  If isPerfect(i) Then Print i; " ";
+Next
+
+Print
+Print "Press any key to quit"
+Sleep