2040890900

素因数分解:

$2^2\times 5^2\times {\mathrm{20408909}}^1$

素因数の和:20408923

約数の個数: 18

約数和(自身を含む): 4428733470

約数和(自身を除く): 2387842570

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 20408909, 40817818, 81635636, 102044545, 204089090, 408178180, 510222725, 1020445450, 2040890900]

約数ペア:

[(1, 2040890900), (2, 1020445450), (4, 510222725), (5, 408178180), (10, 204089090), (20, 102044545), (25, 81635636), (50, 40817818), (100, 20408909)]