164322520

素因数分解:

$2^3\times 5^1\times {\mathrm{4108063}}^1$

素因数の和:4108074

約数の個数: 16

約数和(自身を含む): 369725760

約数和(自身を除く): 205403240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4108063, 8216126, 16432252, 20540315, 32864504, 41080630, 82161260, 164322520]

約数ペア:

[(1, 164322520), (2, 82161260), (4, 41080630), (5, 32864504), (8, 20540315), (10, 16432252), (20, 8216126), (40, 4108063)]