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Is 4640 a perfect number? [SOLVED]

Answer


4640 is not perfect because:

1 + 2 + 4 + 5 + 8 + 10 + 16 + 20 + 29 + 32 + 40 + 58 + 80 + 116 + 145 + 160 + 232 + 290 + 464 + 580 + 928 + 1160 + 2320 4640
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