204085160

素因数分解:

$2^3\times 5^1\times {\mathrm{5102129}}^1$

素因数の和:5102140

約数の個数: 16

約数和(自身を含む): 459191700

約数和(自身を除く): 255106540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5102129, 10204258, 20408516, 25510645, 40817032, 51021290, 102042580, 204085160]

約数ペア:

[(1, 204085160), (2, 102042580), (4, 51021290), (5, 40817032), (8, 25510645), (10, 20408516), (20, 10204258), (40, 5102129)]