66765040

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{8263}}^1$

素因数の和:8377

約数の個数: 40

約数和(自身を含む): 156784608

約数和(自身を除く): 90019568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 8080, 8263, 16526, 33052, 41315, 66104, 82630, 132208, 165260, 330520, 661040, 834563, 1669126, 3338252, 4172815, 6676504, 8345630, 13353008, 16691260, 33382520, 66765040]

約数ペア:

[(1, 66765040), (2, 33382520), (4, 16691260), (5, 13353008), (8, 8345630), (10, 6676504), (16, 4172815), (20, 3338252), (40, 1669126), (80, 834563), (101, 661040), (202, 330520), (404, 165260), (505, 132208), (808, 82630), (1010, 66104), (1616, 41315), (2020, 33052), (4040, 16526), (8080, 8263)]