72705820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{563}}^1\times {\mathrm{587}}^1$

素因数の和:1170

約数の個数: 48

約数和(自身を含む): 167142528

約数和(自身を除く): 94436708

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 563, 587, 1126, 1174, 2252, 2348, 2815, 2935, 5630, 5870, 6193, 6457, 11260, 11740, 12386, 12914, 24772, 25828, 30965, 32285, 61930, 64570, 123860, 129140, 330481, 660962, 1321924, 1652405, 3304810, 3635291, 6609620, 7270582, 14541164, 18176455, 36352910, 72705820]

約数ペア:

[(1, 72705820), (2, 36352910), (4, 18176455), (5, 14541164), (10, 7270582), (11, 6609620), (20, 3635291), (22, 3304810), (44, 1652405), (55, 1321924), (110, 660962), (220, 330481), (563, 129140), (587, 123860), (1126, 64570), (1174, 61930), (2252, 32285), (2348, 30965), (2815, 25828), (2935, 24772), (5630, 12914), (5870, 12386), (6193, 11740), (6457, 11260)]