81124040

素因数分解:

$2^3\times 5^1\times {\mathrm{2028101}}^1$

素因数の和:2028112

約数の個数: 16

約数和(自身を含む): 182529180

約数和(自身を除く): 101405140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2028101, 4056202, 8112404, 10140505, 16224808, 20281010, 40562020, 81124040]

約数ペア:

[(1, 81124040), (2, 40562020), (4, 20281010), (5, 16224808), (8, 10140505), (10, 8112404), (20, 4056202), (40, 2028101)]