860540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2531}}^1$

素因数の和:2557

約数の個数: 24

約数和(自身を含む): 1914192

約数和(自身を除く): 1053652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 2531, 5062, 10124, 12655, 25310, 43027, 50620, 86054, 172108, 215135, 430270, 860540]

約数ペア:

[(1, 860540), (2, 430270), (4, 215135), (5, 172108), (10, 86054), (17, 50620), (20, 43027), (34, 25310), (68, 12655), (85, 10124), (170, 5062), (340, 2531)]