31125820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{141481}}^1$

素因数の和:141501

約数の個数: 24

約数和(自身を含む): 71306928

約数和(自身を除く): 40181108

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 141481, 282962, 565924, 707405, 1414810, 1556291, 2829620, 3112582, 6225164, 7781455, 15562910, 31125820]

約数ペア:

[(1, 31125820), (2, 15562910), (4, 7781455), (5, 6225164), (10, 3112582), (11, 2829620), (20, 1556291), (22, 1414810), (44, 707405), (55, 565924), (110, 282962), (220, 141481)]