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Is 3280 a perfect number? [SOLVED]

Answer


3280 is not perfect because:

1 + 2 + 4 + 5 + 8 + 10 + 16 + 20 + 40 + 41 + 80 + 82 + 164 + 205 + 328 + 410 + 656 + 820 + 1640 3280
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