91107920

素因数分解:

$2^4\times 5^1\times {\mathrm{1138849}}^1$

素因数の和:1138862

約数の個数: 20

約数和(自身を含む): 211826100

約数和(自身を除く): 120718180

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1138849, 2277698, 4555396, 5694245, 9110792, 11388490, 18221584, 22776980, 45553960, 91107920]

約数ペア:

[(1, 91107920), (2, 45553960), (4, 22776980), (5, 18221584), (8, 11388490), (10, 9110792), (16, 5694245), (20, 4555396), (40, 2277698), (80, 1138849)]