12320720

素因数分解:

$2^4\times 5^1\times {\mathrm{337}}^1\times {\mathrm{457}}^1$

素因数の和:807

約数の個数: 40

約数和(自身を含む): 28793544

約数和(自身を除く): 16472824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 337, 457, 674, 914, 1348, 1685, 1828, 2285, 2696, 3370, 3656, 4570, 5392, 6740, 7312, 9140, 13480, 18280, 26960, 36560, 154009, 308018, 616036, 770045, 1232072, 1540090, 2464144, 3080180, 6160360, 12320720]

約数ペア:

[(1, 12320720), (2, 6160360), (4, 3080180), (5, 2464144), (8, 1540090), (10, 1232072), (16, 770045), (20, 616036), (40, 308018), (80, 154009), (337, 36560), (457, 26960), (674, 18280), (914, 13480), (1348, 9140), (1685, 7312), (1828, 6740), (2285, 5392), (2696, 4570), (3370, 3656)]