7418020

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{881}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 15632568

約数和(自身を除く): 8214548

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 881, 1684, 1762, 2105, 3524, 4210, 4405, 8420, 8810, 17620, 370901, 741802, 1483604, 1854505, 3709010, 7418020]

約数ペア:

[(1, 7418020), (2, 3709010), (4, 1854505), (5, 1483604), (10, 741802), (20, 370901), (421, 17620), (842, 8810), (881, 8420), (1684, 4405), (1762, 4210), (2105, 3524)]