164014160

素因数分解:

$2^4\times 5^1\times {\mathrm{2050177}}^1$

素因数の和:2050190

約数の個数: 20

約数和(自身を含む): 381333108

約数和(自身を除く): 217318948

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2050177, 4100354, 8200708, 10250885, 16401416, 20501770, 32802832, 41003540, 82007080, 164014160]

約数ペア:

[(1, 164014160), (2, 82007080), (4, 41003540), (5, 32802832), (8, 20501770), (10, 16401416), (16, 10250885), (20, 8200708), (40, 4100354), (80, 2050177)]