90195020

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{44651}}^1$

素因数の和:44761

約数の個数: 24

約数和(自身を含む): 191289168

約数和(自身を除く): 101094148

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 44651, 89302, 178604, 223255, 446510, 893020, 4509751, 9019502, 18039004, 22548755, 45097510, 90195020]

約数ペア:

[(1, 90195020), (2, 45097510), (4, 22548755), (5, 18039004), (10, 9019502), (20, 4509751), (101, 893020), (202, 446510), (404, 223255), (505, 178604), (1010, 89302), (2020, 44651)]