8479960

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2099}}^1$

素因数の和:2211

約数の個数: 32

約数和(自身を含む): 19278000

約数和(自身を除く): 10798040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 2099, 4040, 4198, 8396, 10495, 16792, 20990, 41980, 83960, 211999, 423998, 847996, 1059995, 1695992, 2119990, 4239980, 8479960]

約数ペア:

[(1, 8479960), (2, 4239980), (4, 2119990), (5, 1695992), (8, 1059995), (10, 847996), (20, 423998), (40, 211999), (101, 83960), (202, 41980), (404, 20990), (505, 16792), (808, 10495), (1010, 8396), (2020, 4198), (2099, 4040)]