3999820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18181}}^1$

素因数の和:18201

約数の個数: 24

約数和(自身を含む): 9163728

約数和(自身を除く): 5163908

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 18181, 36362, 72724, 90905, 181810, 199991, 363620, 399982, 799964, 999955, 1999910, 3999820]

約数ペア:

[(1, 3999820), (2, 1999910), (4, 999955), (5, 799964), (10, 399982), (11, 363620), (20, 199991), (22, 181810), (44, 90905), (55, 72724), (110, 36362), (220, 18181)]