90858220

素因数分解:

$2^2\times 5^1\times {\mathrm{4542911}}^1$

素因数の和:4542920

約数の個数: 12

約数和(自身を含む): 190802304

約数和(自身を除く): 99944084

約数列:

[1, 2, 4, 5, 10, 20, 4542911, 9085822, 18171644, 22714555, 45429110, 90858220]

約数ペア:

[(1, 90858220), (2, 45429110), (4, 22714555), (5, 18171644), (10, 9085822), (20, 4542911)]