164687240

素因数分解:

$2^3\times 5^1\times {\mathrm{4117181}}^1$

素因数の和:4117192

約数の個数: 16

約数和(自身を含む): 370546380

約数和(自身を除く): 205859140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4117181, 8234362, 16468724, 20585905, 32937448, 41171810, 82343620, 164687240]

約数ペア:

[(1, 164687240), (2, 82343620), (4, 41171810), (5, 32937448), (8, 20585905), (10, 16468724), (20, 8234362), (40, 4117181)]