164036440

素因数分解:

$2^3\times 5^1\times {\mathrm{4100911}}^1$

素因数の和:4100922

約数の個数: 16

約数和(自身を含む): 369082080

約数和(自身を除く): 205045640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4100911, 8201822, 16403644, 20504555, 32807288, 41009110, 82018220, 164036440]

約数ペア:

[(1, 164036440), (2, 82018220), (4, 41009110), (5, 32807288), (8, 20504555), (10, 16403644), (20, 8201822), (40, 4100911)]