40690216

素因数分解:

$2^3\times 7^1\times {\mathrm{726611}}^1$

素因数の和:726624

約数の個数: 16

約数和(自身を含む): 87193440

約数和(自身を除く): 46503224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 726611, 1453222, 2906444, 5086277, 5812888, 10172554, 20345108, 40690216]

約数ペア:

[(1, 40690216), (2, 20345108), (4, 10172554), (7, 5812888), (8, 5086277), (14, 2906444), (28, 1453222), (56, 726611)]