8273800

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1009}}^1$

素因数の和:1066

約数の個数: 48

約数和(自身を含む): 19725300

約数和(自身を除く): 11451500

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1009, 1025, 1640, 2018, 2050, 4036, 4100, 5045, 8072, 8200, 10090, 20180, 25225, 40360, 41369, 50450, 82738, 100900, 165476, 201800, 206845, 330952, 413690, 827380, 1034225, 1654760, 2068450, 4136900, 8273800]

約数ペア:

[(1, 8273800), (2, 4136900), (4, 2068450), (5, 1654760), (8, 1034225), (10, 827380), (20, 413690), (25, 330952), (40, 206845), (41, 201800), (50, 165476), (82, 100900), (100, 82738), (164, 50450), (200, 41369), (205, 40360), (328, 25225), (410, 20180), (820, 10090), (1009, 8200), (1025, 8072), (1640, 5045), (2018, 4100), (2050, 4036)]