157035640

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{15641}}^1$

素因数の和:15903

約数の個数: 32

約数和(自身を含む): 354760560

約数和(自身を除く): 197724920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 5020, 10040, 15641, 31282, 62564, 78205, 125128, 156410, 312820, 625640, 3925891, 7851782, 15703564, 19629455, 31407128, 39258910, 78517820, 157035640]

約数ペア:

[(1, 157035640), (2, 78517820), (4, 39258910), (5, 31407128), (8, 19629455), (10, 15703564), (20, 7851782), (40, 3925891), (251, 625640), (502, 312820), (1004, 156410), (1255, 125128), (2008, 78205), (2510, 62564), (5020, 31282), (10040, 15641)]