12489860

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{859}}^1$

素因数の和:1595

約数の個数: 24

約数和(自身を含む): 26295360

約数和(自身を除く): 13805500

約数列:

[1, 2, 4, 5, 10, 20, 727, 859, 1454, 1718, 2908, 3436, 3635, 4295, 7270, 8590, 14540, 17180, 624493, 1248986, 2497972, 3122465, 6244930, 12489860]

約数ペア:

[(1, 12489860), (2, 6244930), (4, 3122465), (5, 2497972), (10, 1248986), (20, 624493), (727, 17180), (859, 14540), (1454, 8590), (1718, 7270), (2908, 4295), (3436, 3635)]