409886440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{99487}}^1$

素因数の和:99601

約数の個数: 32

約数和(自身を含む): 931207680

約数和(自身を除く): 521321240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 99487, 198974, 397948, 497435, 795896, 994870, 1989740, 3979480, 10247161, 20494322, 40988644, 51235805, 81977288, 102471610, 204943220, 409886440]

約数ペア:

[(1, 409886440), (2, 204943220), (4, 102471610), (5, 81977288), (8, 51235805), (10, 40988644), (20, 20494322), (40, 10247161), (103, 3979480), (206, 1989740), (412, 994870), (515, 795896), (824, 497435), (1030, 397948), (2060, 198974), (4120, 99487)]