556820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2531}}^1$

素因数の和:2551

約数の個数: 24

約数和(自身を含む): 1276128

約数和(自身を除く): 719308

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 2531, 5062, 10124, 12655, 25310, 27841, 50620, 55682, 111364, 139205, 278410, 556820]

約数ペア:

[(1, 556820), (2, 278410), (4, 139205), (5, 111364), (10, 55682), (11, 50620), (20, 27841), (22, 25310), (44, 12655), (55, 10124), (110, 5062), (220, 2531)]