2019405580

素因数分解:

$2^2\times 5^1\times {\mathrm{100970279}}^1$

素因数の和:100970288

約数の個数: 12

約数和(自身を含む): 4240751760

約数和(自身を除く): 2221346180

約数列:

[1, 2, 4, 5, 10, 20, 100970279, 201940558, 403881116, 504851395, 1009702790, 2019405580]

約数ペア:

[(1, 2019405580), (2, 1009702790), (4, 504851395), (5, 403881116), (10, 201940558), (20, 100970279)]