520540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1531}}^1$

素因数の和:1557

約数の個数: 24

約数和(自身を含む): 1158192

約数和(自身を除く): 637652

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1531, 3062, 6124, 7655, 15310, 26027, 30620, 52054, 104108, 130135, 260270, 520540]

約数ペア:

[(1, 520540), (2, 260270), (4, 130135), (5, 104108), (10, 52054), (17, 30620), (20, 26027), (34, 15310), (68, 7655), (85, 6124), (170, 3062), (340, 1531)]