66106520

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{16363}}^1$

素因数の和:16475

約数の個数: 32

約数和(自身を含む): 150221520

約数和(自身を除く): 84115000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 16363, 32726, 65452, 81815, 130904, 163630, 327260, 654520, 1652663, 3305326, 6610652, 8263315, 13221304, 16526630, 33053260, 66106520]

約数ペア:

[(1, 66106520), (2, 33053260), (4, 16526630), (5, 13221304), (8, 8263315), (10, 6610652), (20, 3305326), (40, 1652663), (101, 654520), (202, 327260), (404, 163630), (505, 130904), (808, 81815), (1010, 65452), (2020, 32726), (4040, 16363)]