42628420

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{12763}}^1$

素因数の和:12939

約数の個数: 24

約数和(自身を含む): 90062784

約数和(自身を除く): 47434364

約数列:

[1, 2, 4, 5, 10, 20, 167, 334, 668, 835, 1670, 3340, 12763, 25526, 51052, 63815, 127630, 255260, 2131421, 4262842, 8525684, 10657105, 21314210, 42628420]

約数ペア:

[(1, 42628420), (2, 21314210), (4, 10657105), (5, 8525684), (10, 4262842), (20, 2131421), (167, 255260), (334, 127630), (668, 63815), (835, 51052), (1670, 25526), (3340, 12763)]