2019210800

素因数分解:

$2^4\times 5^2\times {\mathrm{1009}}^1\times {\mathrm{5003}}^1$

素因数の和:6030

約数の個数: 60

約数和(自身を含む): 4856932440

約数和(自身を除く): 2837721640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1009, 2018, 4036, 5003, 5045, 8072, 10006, 10090, 16144, 20012, 20180, 25015, 25225, 40024, 40360, 50030, 50450, 80048, 80720, 100060, 100900, 125075, 200120, 201800, 250150, 400240, 403600, 500300, 1000600, 2001200, 5048027, 10096054, 20192108, 25240135, 40384216, 50480270, 80768432, 100960540, 126200675, 201921080, 252401350, 403842160, 504802700, 1009605400, 2019210800]

約数ペア:

[(1, 2019210800), (2, 1009605400), (4, 504802700), (5, 403842160), (8, 252401350), (10, 201921080), (16, 126200675), (20, 100960540), (25, 80768432), (40, 50480270), (50, 40384216), (80, 25240135), (100, 20192108), (200, 10096054), (400, 5048027), (1009, 2001200), (2018, 1000600), (4036, 500300), (5003, 403600), (5045, 400240), (8072, 250150), (10006, 201800), (10090, 200120), (16144, 125075), (20012, 100900), (20180, 100060), (25015, 80720), (25225, 80048), (40024, 50450), (40360, 50030)]