12129080

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{859}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 27399600

約数和(自身を除く): 15270520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 859, 1412, 1718, 1765, 2824, 3436, 3530, 4295, 6872, 7060, 8590, 14120, 17180, 34360, 303227, 606454, 1212908, 1516135, 2425816, 3032270, 6064540, 12129080]

約数ペア:

[(1, 12129080), (2, 6064540), (4, 3032270), (5, 2425816), (8, 1516135), (10, 1212908), (20, 606454), (40, 303227), (353, 34360), (706, 17180), (859, 14120), (1412, 8590), (1718, 7060), (1765, 6872), (2824, 4295), (3436, 3530)]