388617160

素因数分解:

$2^3\times 5^1\times {\mathrm{9715429}}^1$

素因数の和:9715440

約数の個数: 16

約数和(自身を含む): 874388700

約数和(自身を除く): 485771540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 9715429, 19430858, 38861716, 48577145, 77723432, 97154290, 194308580, 388617160]

約数ペア:

[(1, 388617160), (2, 194308580), (4, 97154290), (5, 77723432), (8, 48577145), (10, 38861716), (20, 19430858), (40, 9715429)]