61251640

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{10141}}^1$

素因数の和:10303

約数の個数: 32

約数和(自身を含む): 138742560

約数和(自身を除く): 77490920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 10141, 20282, 40564, 50705, 81128, 101410, 202820, 405640, 1531291, 3062582, 6125164, 7656455, 12250328, 15312910, 30625820, 61251640]

約数ペア:

[(1, 61251640), (2, 30625820), (4, 15312910), (5, 12250328), (8, 7656455), (10, 6125164), (20, 3062582), (40, 1531291), (151, 405640), (302, 202820), (604, 101410), (755, 81128), (1208, 50705), (1510, 40564), (3020, 20282), (6040, 10141)]