204005920

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{12379}}^1$

素因数の和:12497

約数の個数: 48

約数和(自身を含む): 486682560

約数和(自身を除く): 282676640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 8240, 12379, 16480, 24758, 49516, 61895, 99032, 123790, 198064, 247580, 396128, 495160, 990320, 1275037, 1980640, 2550074, 5100148, 6375185, 10200296, 12750370, 20400592, 25500740, 40801184, 51001480, 102002960, 204005920]

約数ペア:

[(1, 204005920), (2, 102002960), (4, 51001480), (5, 40801184), (8, 25500740), (10, 20400592), (16, 12750370), (20, 10200296), (32, 6375185), (40, 5100148), (80, 2550074), (103, 1980640), (160, 1275037), (206, 990320), (412, 495160), (515, 396128), (824, 247580), (1030, 198064), (1648, 123790), (2060, 99032), (3296, 61895), (4120, 49516), (8240, 24758), (12379, 16480)]