31062020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{521}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 71559936

約数和(自身を除く): 40497916

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 271, 521, 542, 1042, 1084, 1355, 2084, 2605, 2710, 2981, 5210, 5420, 5731, 5962, 10420, 11462, 11924, 14905, 22924, 28655, 29810, 57310, 59620, 114620, 141191, 282382, 564764, 705955, 1411910, 1553101, 2823820, 3106202, 6212404, 7765505, 15531010, 31062020]

約数ペア:

[(1, 31062020), (2, 15531010), (4, 7765505), (5, 6212404), (10, 3106202), (11, 2823820), (20, 1553101), (22, 1411910), (44, 705955), (55, 564764), (110, 282382), (220, 141191), (271, 114620), (521, 59620), (542, 57310), (1042, 29810), (1084, 28655), (1355, 22924), (2084, 14905), (2605, 11924), (2710, 11462), (2981, 10420), (5210, 5962), (5420, 5731)]