88890543020

素因数分解:

$2^2\times 5^1\times {\mathrm{4444527151}}^1$

素因数の和:4444527160

約数の個数: 12

約数和(自身を含む): 186670140384

約数和(自身を除く): 97779597364

約数列:

[1, 2, 4, 5, 10, 20, 4444527151, 8889054302, 17778108604, 22222635755, 44445271510, 88890543020]

約数ペア:

[(1, 88890543020), (2, 44445271510), (4, 22222635755), (5, 17778108604), (10, 8889054302), (20, 4444527151)]