811422020

素因数分解:

$2^2\times 5^1\times {\mathrm{40571101}}^1$

素因数の和:40571110

約数の個数: 12

約数和(自身を含む): 1703986284

約数和(自身を除く): 892564264

約数列:

[1, 2, 4, 5, 10, 20, 40571101, 81142202, 162284404, 202855505, 405711010, 811422020]

約数ペア:

[(1, 811422020), (2, 405711010), (4, 202855505), (5, 162284404), (10, 81142202), (20, 40571101)]