128017160

素因数分解:

$2^3\times 5^1\times {\mathrm{3200429}}^1$

素因数の和:3200440

約数の個数: 16

約数和(自身を含む): 288038700

約数和(自身を除く): 160021540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3200429, 6400858, 12801716, 16002145, 25603432, 32004290, 64008580, 128017160]

約数ペア:

[(1, 128017160), (2, 64008580), (4, 32004290), (5, 25603432), (8, 16002145), (10, 12801716), (20, 6400858), (40, 3200429)]