31875140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{144887}}^1$

素因数の和:144907

約数の個数: 24

約数和(自身を含む): 73023552

約数和(自身を除く): 41148412

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 144887, 289774, 579548, 724435, 1448870, 1593757, 2897740, 3187514, 6375028, 7968785, 15937570, 31875140]

約数ペア:

[(1, 31875140), (2, 15937570), (4, 7968785), (5, 6375028), (10, 3187514), (11, 2897740), (20, 1593757), (22, 1448870), (44, 724435), (55, 579548), (110, 289774), (220, 144887)]