12497320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28403}}^1$

素因数の和:28425

約数の個数: 32

約数和(自身を含む): 30676320

約数和(自身を除く): 18179000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28403, 56806, 113612, 142015, 227224, 284030, 312433, 568060, 624866, 1136120, 1249732, 1562165, 2499464, 3124330, 6248660, 12497320]

約数ペア:

[(1, 12497320), (2, 6248660), (4, 3124330), (5, 2499464), (8, 1562165), (10, 1249732), (11, 1136120), (20, 624866), (22, 568060), (40, 312433), (44, 284030), (55, 227224), (88, 142015), (110, 113612), (220, 56806), (440, 28403)]