1597640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3631}}^1$

素因数の和:3653

約数の個数: 32

約数和(自身を含む): 3922560

約数和(自身を除く): 2324920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 3631, 7262, 14524, 18155, 29048, 36310, 39941, 72620, 79882, 145240, 159764, 199705, 319528, 399410, 798820, 1597640]

約数ペア:

[(1, 1597640), (2, 798820), (4, 399410), (5, 319528), (8, 199705), (10, 159764), (11, 145240), (20, 79882), (22, 72620), (40, 39941), (44, 36310), (55, 29048), (88, 18155), (110, 14524), (220, 7262), (440, 3631)]