872045620

素因数分解:

$2^2\times 5^1\times {\mathrm{43602281}}^1$

素因数の和:43602290

約数の個数: 12

約数和(自身を含む): 1831295844

約数和(自身を除く): 959250224

約数列:

[1, 2, 4, 5, 10, 20, 43602281, 87204562, 174409124, 218011405, 436022810, 872045620]

約数ペア:

[(1, 872045620), (2, 436022810), (4, 218011405), (5, 174409124), (10, 87204562), (20, 43602281)]