87826040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{21317}}^1$

素因数の和:21431

約数の個数: 32

約数和(自身を含む): 199536480

約数和(自身を除く): 111710440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 21317, 42634, 85268, 106585, 170536, 213170, 426340, 852680, 2195651, 4391302, 8782604, 10978255, 17565208, 21956510, 43913020, 87826040]

約数ペア:

[(1, 87826040), (2, 43913020), (4, 21956510), (5, 17565208), (8, 10978255), (10, 8782604), (20, 4391302), (40, 2195651), (103, 852680), (206, 426340), (412, 213170), (515, 170536), (824, 106585), (1030, 85268), (2060, 42634), (4120, 21317)]