2018893040

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{249863}}^1$

素因数の和:249977

約数の個数: 40

約数和(自身を含む): 4740419808

約数和(自身を除く): 2721526768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 249863, 499726, 999452, 1249315, 1998904, 2498630, 3997808, 4997260, 9994520, 19989040, 25236163, 50472326, 100944652, 126180815, 201889304, 252361630, 403778608, 504723260, 1009446520, 2018893040]

約数ペア:

[(1, 2018893040), (2, 1009446520), (4, 504723260), (5, 403778608), (8, 252361630), (10, 201889304), (16, 126180815), (20, 100944652), (40, 50472326), (80, 25236163), (101, 19989040), (202, 9994520), (404, 4997260), (505, 3997808), (808, 2498630), (1010, 1998904), (1616, 1249315), (2020, 999452), (4040, 499726), (8080, 249863)]