120985880

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{29947}}^1$

素因数の和:30059

約数の個数: 32

約数和(自身を含む): 274922640

約数和(自身を除く): 153936760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 29947, 59894, 119788, 149735, 239576, 299470, 598940, 1197880, 3024647, 6049294, 12098588, 15123235, 24197176, 30246470, 60492940, 120985880]

約数ペア:

[(1, 120985880), (2, 60492940), (4, 30246470), (5, 24197176), (8, 15123235), (10, 12098588), (20, 6049294), (40, 3024647), (101, 1197880), (202, 598940), (404, 299470), (505, 239576), (808, 149735), (1010, 119788), (2020, 59894), (4040, 29947)]