55643740

素因数分解:

$2^2\times 5^1\times {\mathrm{2782187}}^1$

素因数の和:2782196

約数の個数: 12

約数和(自身を含む): 116851896

約数和(自身を除く): 61208156

約数列:

[1, 2, 4, 5, 10, 20, 2782187, 5564374, 11128748, 13910935, 27821870, 55643740]

約数ペア:

[(1, 55643740), (2, 27821870), (4, 13910935), (5, 11128748), (10, 5564374), (20, 2782187)]