7999480

素因数分解:

$2^3\times 5^1\times {\mathrm{227}}^1\times {\mathrm{881}}^1$

素因数の和:1119

約数の個数: 32

約数和(自身を含む): 18098640

約数和(自身を除く): 10099160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 227, 454, 881, 908, 1135, 1762, 1816, 2270, 3524, 4405, 4540, 7048, 8810, 9080, 17620, 35240, 199987, 399974, 799948, 999935, 1599896, 1999870, 3999740, 7999480]

約数ペア:

[(1, 7999480), (2, 3999740), (4, 1999870), (5, 1599896), (8, 999935), (10, 799948), (20, 399974), (40, 199987), (227, 35240), (454, 17620), (881, 9080), (908, 8810), (1135, 7048), (1762, 4540), (1816, 4405), (2270, 3524)]