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Is 2660 a perfect number? [SOLVED]

Answer


2660 is not perfect because:

1 + 2 + 4 + 5 + 7 + 10 + 14 + 19 + 20 + 28 + 35 + 38 + 70 + 76 + 95 + 133 + 140 + 190 + 266 + 380 + 532 + 665 + 1330 2660
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