8075960

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1999}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 18360000

約数和(自身を除く): 10284040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 1999, 2020, 3998, 4040, 7996, 9995, 15992, 19990, 39980, 79960, 201899, 403798, 807596, 1009495, 1615192, 2018990, 4037980, 8075960]

約数ペア:

[(1, 8075960), (2, 4037980), (4, 2018990), (5, 1615192), (8, 1009495), (10, 807596), (20, 403798), (40, 201899), (101, 79960), (202, 39980), (404, 19990), (505, 15992), (808, 9995), (1010, 7996), (1999, 4040), (2020, 3998)]