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Is 2580 a perfect number? [SOLVED]

Answer


2580 is not perfect because:

1 + 2 + 3 + 4 + 5 + 6 + 10 + 12 + 15 + 20 + 30 + 43 + 60 + 86 + 129 + 172 + 215 + 258 + 430 + 516 + 645 + 860 + 1290 2580
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