1255420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1531}}^1$

素因数の和:1581

約数の個数: 24

約数和(自身を含む): 2702448

約数和(自身を除く): 1447028

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1531, 3062, 6124, 7655, 15310, 30620, 62771, 125542, 251084, 313855, 627710, 1255420]

約数ペア:

[(1, 1255420), (2, 627710), (4, 313855), (5, 251084), (10, 125542), (20, 62771), (41, 30620), (82, 15310), (164, 7655), (205, 6124), (410, 3062), (820, 1531)]