1251020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:961

約数の個数: 24

約数和(自身を含む): 2667168

約数和(自身を除く): 1416148

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 881, 1420, 1762, 3524, 4405, 8810, 17620, 62551, 125102, 250204, 312755, 625510, 1251020]

約数ペア:

[(1, 1251020), (2, 625510), (4, 312755), (5, 250204), (10, 125102), (20, 62551), (71, 17620), (142, 8810), (284, 4405), (355, 3524), (710, 1762), (881, 1420)]