86916040

素因数分解:

$2^3\times 5^1\times {\mathrm{2172901}}^1$

素因数の和:2172912

約数の個数: 16

約数和(自身を含む): 195561180

約数和(自身を除く): 108645140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2172901, 4345802, 8691604, 10864505, 17383208, 21729010, 43458020, 86916040]

約数ペア:

[(1, 86916040), (2, 43458020), (4, 21729010), (5, 17383208), (8, 10864505), (10, 8691604), (20, 4345802), (40, 2172901)]