168536440

素因数分解:

$2^3\times 5^1\times {\mathrm{4213411}}^1$

素因数の和:4213422

約数の個数: 16

約数和(自身を含む): 379207080

約数和(自身を除く): 210670640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4213411, 8426822, 16853644, 21067055, 33707288, 42134110, 84268220, 168536440]

約数ペア:

[(1, 168536440), (2, 84268220), (4, 42134110), (5, 33707288), (8, 21067055), (10, 16853644), (20, 8426822), (40, 4213411)]