858008068040

素因数分解:

$2^3\times 5^1\times {\mathrm{21450201701}}^1$

素因数の和:21450201712

約数の個数: 16

約数和(自身を含む): 1930518153180

約数和(自身を除く): 1072510085140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21450201701, 42900403402, 85800806804, 107251008505, 171601613608, 214502017010, 429004034020, 858008068040]

約数ペア:

[(1, 858008068040), (2, 429004034020), (4, 214502017010), (5, 171601613608), (8, 107251008505), (10, 85800806804), (20, 42900403402), (40, 21450201701)]