90222040

素因数分解:

$2^3\times 5^1\times {\mathrm{2255551}}^1$

素因数の和:2255562

約数の個数: 16

約数和(自身を含む): 202999680

約数和(自身を除く): 112777640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2255551, 4511102, 9022204, 11277755, 18044408, 22555510, 45111020, 90222040]

約数ペア:

[(1, 90222040), (2, 45111020), (4, 22555510), (5, 18044408), (8, 11277755), (10, 9022204), (20, 4511102), (40, 2255551)]