210004876780

素因数分解:

$2^2\times 5^1\times {\mathrm{10500243839}}^1$

素因数の和:10500243848

約数の個数: 12

約数和(自身を含む): 441010241280

約数和(自身を除く): 231005364500

約数列:

[1, 2, 4, 5, 10, 20, 10500243839, 21000487678, 42000975356, 52501219195, 105002438390, 210004876780]

約数ペア:

[(1, 210004876780), (2, 105002438390), (4, 52501219195), (5, 42000975356), (10, 21000487678), (20, 10500243839)]