3999740

素因数分解:

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

素因数の和:1117

約数の個数: 24

約数和(自身を含む): 8446032

約数和(自身を除く): 4446292

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 881, 908, 1135, 1762, 2270, 3524, 4405, 4540, 8810, 17620, 199987, 399974, 799948, 999935, 1999870, 3999740]

約数ペア:

[(1, 3999740), (2, 1999870), (4, 999935), (5, 799948), (10, 399974), (20, 199987), (227, 17620), (454, 8810), (881, 4540), (908, 4405), (1135, 3524), (1762, 2270)]