87181460

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{40739}}^1$

素因数の和:40855

約数の個数: 24

約数和(自身を含む): 184796640

約数和(自身を除く): 97615180

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 40739, 81478, 162956, 203695, 407390, 814780, 4359073, 8718146, 17436292, 21795365, 43590730, 87181460]

約数ペア:

[(1, 87181460), (2, 43590730), (4, 21795365), (5, 17436292), (10, 8718146), (20, 4359073), (107, 814780), (214, 407390), (428, 203695), (535, 162956), (1070, 81478), (2140, 40739)]