7065620

素因数分解:

$2^2\times 5^1\times {\mathrm{401}}^1\times {\mathrm{881}}^1$

素因数の和:1291

約数の個数: 24

約数和(自身を含む): 14891688

約数和(自身を除く): 7826068

約数列:

[1, 2, 4, 5, 10, 20, 401, 802, 881, 1604, 1762, 2005, 3524, 4010, 4405, 8020, 8810, 17620, 353281, 706562, 1413124, 1766405, 3532810, 7065620]

約数ペア:

[(1, 7065620), (2, 3532810), (4, 1766405), (5, 1413124), (10, 706562), (20, 353281), (401, 17620), (802, 8810), (881, 8020), (1604, 4405), (1762, 4010), (2005, 3524)]