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Is 8040 a perfect number? [SOLVED]

Answer


8040 is not perfect because:

1 + 2 + 3 + 4 + 5 + 6 + 8 + 10 + 12 + 15 + 20 + 24 + 30 + 40 + 60 + 67 + 120 + 134 + 201 + 268 + 335 + 402 + 536 + 670 + 804 + 1005 + 1340 + 1608 + 2010 + 2680 + 4020 8040
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