1279000

素因数分解:

$2^3\times 5^3\times {\mathrm{1279}}^1$

素因数の和:1300

約数の個数: 32

約数和(自身を含む): 2995200

約数和(自身を除く): 1716200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 1279, 2558, 5116, 6395, 10232, 12790, 25580, 31975, 51160, 63950, 127900, 159875, 255800, 319750, 639500, 1279000]

約数ペア:

[(1, 1279000), (2, 639500), (4, 319750), (5, 255800), (8, 159875), (10, 127900), (20, 63950), (25, 51160), (40, 31975), (50, 25580), (100, 12790), (125, 10232), (200, 6395), (250, 5116), (500, 2558), (1000, 1279)]