91216280

素因数分解:

$2^3\times 5^1\times {\mathrm{2280407}}^1$

素因数の和:2280418

約数の個数: 16

約数和(自身を含む): 205236720

約数和(自身を除く): 114020440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2280407, 4560814, 9121628, 11402035, 18243256, 22804070, 45608140, 91216280]

約数ペア:

[(1, 91216280), (2, 45608140), (4, 22804070), (5, 18243256), (8, 11402035), (10, 9121628), (20, 4560814), (40, 2280407)]