400870576

素因数分解:

$2^4\times {\mathrm{4931}}^1\times {\mathrm{5081}}^1$

素因数の和:10020

約数の個数: 20

約数和(自身を含む): 776997144

約数和(自身を除く): 376126568

約数列:

[1, 2, 4, 8, 16, 4931, 5081, 9862, 10162, 19724, 20324, 39448, 40648, 78896, 81296, 25054411, 50108822, 100217644, 200435288, 400870576]

約数ペア:

[(1, 400870576), (2, 200435288), (4, 100217644), (8, 50108822), (16, 25054411), (4931, 81296), (5081, 78896), (9862, 40648), (10162, 39448), (19724, 20324)]