168667780

素因数分解:

$2^2\times 5^1\times {\mathrm{677}}^1\times {\mathrm{12457}}^1$

素因数の和:13143

約数の個数: 24

約数和(自身を含む): 354754008

約数和(自身を除く): 186086228

約数列:

[1, 2, 4, 5, 10, 20, 677, 1354, 2708, 3385, 6770, 12457, 13540, 24914, 49828, 62285, 124570, 249140, 8433389, 16866778, 33733556, 42166945, 84333890, 168667780]

約数ペア:

[(1, 168667780), (2, 84333890), (4, 42166945), (5, 33733556), (10, 16866778), (20, 8433389), (677, 249140), (1354, 124570), (2708, 62285), (3385, 49828), (6770, 24914), (12457, 13540)]