91391240

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{15131}}^1$

素因数の和:15293

約数の個数: 32

約数和(自身を含む): 207005760

約数和(自身を除く): 115614520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 6040, 15131, 30262, 60524, 75655, 121048, 151310, 302620, 605240, 2284781, 4569562, 9139124, 11423905, 18278248, 22847810, 45695620, 91391240]

約数ペア:

[(1, 91391240), (2, 45695620), (4, 22847810), (5, 18278248), (8, 11423905), (10, 9139124), (20, 4569562), (40, 2284781), (151, 605240), (302, 302620), (604, 151310), (755, 121048), (1208, 75655), (1510, 60524), (3020, 30262), (6040, 15131)]