268510520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{66463}}^1$

素因数の和:66575

約数の個数: 32

約数和(自身を含む): 610139520

約数和(自身を除く): 341629000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 66463, 132926, 265852, 332315, 531704, 664630, 1329260, 2658520, 6712763, 13425526, 26851052, 33563815, 53702104, 67127630, 134255260, 268510520]

約数ペア:

[(1, 268510520), (2, 134255260), (4, 67127630), (5, 53702104), (8, 33563815), (10, 26851052), (20, 13425526), (40, 6712763), (101, 2658520), (202, 1329260), (404, 664630), (505, 531704), (808, 332315), (1010, 265852), (2020, 132926), (4040, 66463)]