8141920

素因数分解:

$2^5\times 5^1\times {\mathrm{151}}^1\times {\mathrm{337}}^1$

素因数の和:503

約数の個数: 48

約数和(自身を含む): 19420128

約数和(自身を除く): 11278208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 151, 160, 302, 337, 604, 674, 755, 1208, 1348, 1510, 1685, 2416, 2696, 3020, 3370, 4832, 5392, 6040, 6740, 10784, 12080, 13480, 24160, 26960, 50887, 53920, 101774, 203548, 254435, 407096, 508870, 814192, 1017740, 1628384, 2035480, 4070960, 8141920]

約数ペア:

[(1, 8141920), (2, 4070960), (4, 2035480), (5, 1628384), (8, 1017740), (10, 814192), (16, 508870), (20, 407096), (32, 254435), (40, 203548), (80, 101774), (151, 53920), (160, 50887), (302, 26960), (337, 24160), (604, 13480), (674, 12080), (755, 10784), (1208, 6740), (1348, 6040), (1510, 5392), (1685, 4832), (2416, 3370), (2696, 3020)]