57697040

素因数分解:

$2^4\times 5^1\times {\mathrm{721213}}^1$

素因数の和:721226

約数の個数: 20

約数和(自身を含む): 134145804

約数和(自身を除く): 76448764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 721213, 1442426, 2884852, 3606065, 5769704, 7212130, 11539408, 14424260, 28848520, 57697040]

約数ペア:

[(1, 57697040), (2, 28848520), (4, 14424260), (5, 11539408), (8, 7212130), (10, 5769704), (16, 3606065), (20, 2884852), (40, 1442426), (80, 721213)]