13485520

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1669}}^1$

素因数の和:1783

約数の個数: 40

約数和(自身を含む): 31683240

約数和(自身を除く): 18197720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 1669, 2020, 3338, 4040, 6676, 8080, 8345, 13352, 16690, 26704, 33380, 66760, 133520, 168569, 337138, 674276, 842845, 1348552, 1685690, 2697104, 3371380, 6742760, 13485520]

約数ペア:

[(1, 13485520), (2, 6742760), (4, 3371380), (5, 2697104), (8, 1685690), (10, 1348552), (16, 842845), (20, 674276), (40, 337138), (80, 168569), (101, 133520), (202, 66760), (404, 33380), (505, 26704), (808, 16690), (1010, 13352), (1616, 8345), (1669, 8080), (2020, 6676), (3338, 4040)]