1398311480

素因数分解:

$2^3\times 5^1\times {\mathrm{34957787}}^1$

素因数の和:34957798

約数の個数: 16

約数和(自身を含む): 3146200920

約数和(自身を除く): 1747889440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 34957787, 69915574, 139831148, 174788935, 279662296, 349577870, 699155740, 1398311480]

約数ペア:

[(1, 1398311480), (2, 699155740), (4, 349577870), (5, 279662296), (8, 174788935), (10, 139831148), (20, 69915574), (40, 34957787)]