Answer
3080 is not perfect because:
1 + 2 + 4 + 5 + 7 + 8 + 10 + 11 + 14 + 20 + 22 + 28 + 35 + 40 + 44 + 55 + 56 + 70 + 77 + 88 + 110 + 140 + 154 + 220 + 280 + 308 + 385 + 440 + 616 + 770 + 1540 ≠ 3080
Related links:
- All calculations
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- What is the prime factorization of 3080?