168656440

素因数分解:

$2^3\times 5^1\times {\mathrm{4216411}}^1$

素因数の和:4216422

約数の個数: 16

約数和(自身を含む): 379477080

約数和(自身を除く): 210820640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4216411, 8432822, 16865644, 21082055, 33731288, 42164110, 84328220, 168656440]

約数ペア:

[(1, 168656440), (2, 84328220), (4, 42164110), (5, 33731288), (8, 21082055), (10, 16865644), (20, 8432822), (40, 4216411)]