85256840

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{12763}}^1$

素因数の和:12941

約数の個数: 32

約数和(自身を含む): 192991680

約数和(自身を除く): 107734840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 12763, 25526, 51052, 63815, 102104, 127630, 255260, 510520, 2131421, 4262842, 8525684, 10657105, 17051368, 21314210, 42628420, 85256840]

約数ペア:

[(1, 85256840), (2, 42628420), (4, 21314210), (5, 17051368), (8, 10657105), (10, 8525684), (20, 4262842), (40, 2131421), (167, 510520), (334, 255260), (668, 127630), (835, 102104), (1336, 63815), (1670, 51052), (3340, 25526), (6680, 12763)]