77477740

素因数分解:

$2^2\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{2381}}^1$

素因数の和:4017

約数の個数: 24

約数和(自身を含む): 162871632

約数和(自身を除く): 85393892

約数列:

[1, 2, 4, 5, 10, 20, 1627, 2381, 3254, 4762, 6508, 8135, 9524, 11905, 16270, 23810, 32540, 47620, 3873887, 7747774, 15495548, 19369435, 38738870, 77477740]

約数ペア:

[(1, 77477740), (2, 38738870), (4, 19369435), (5, 15495548), (10, 7747774), (20, 3873887), (1627, 47620), (2381, 32540), (3254, 23810), (4762, 16270), (6508, 11905), (8135, 9524)]