12081620

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{5981}}^1$

素因数の和:6091

約数の個数: 24

約数和(自身を含む): 25626888

約数和(自身を除く): 13545268

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 5981, 11962, 23924, 29905, 59810, 119620, 604081, 1208162, 2416324, 3020405, 6040810, 12081620]

約数ペア:

[(1, 12081620), (2, 6040810), (4, 3020405), (5, 2416324), (10, 1208162), (20, 604081), (101, 119620), (202, 59810), (404, 29905), (505, 23924), (1010, 11962), (2020, 5981)]