1113640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2531}}^1$

素因数の和:2553

約数の個数: 32

約数和(自身を含む): 2734560

約数和(自身を除く): 1620920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2531, 5062, 10124, 12655, 20248, 25310, 27841, 50620, 55682, 101240, 111364, 139205, 222728, 278410, 556820, 1113640]

約数ペア:

[(1, 1113640), (2, 556820), (4, 278410), (5, 222728), (8, 139205), (10, 111364), (11, 101240), (20, 55682), (22, 50620), (40, 27841), (44, 25310), (55, 20248), (88, 12655), (110, 10124), (220, 5062), (440, 2531)]