31975000

素因数分解:

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

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 74995200

約数和(自身を除く): 43020200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 1279, 2500, 2558, 3125, 5000, 5116, 6250, 6395, 10232, 12500, 12790, 25000, 25580, 31975, 51160, 63950, 127900, 159875, 255800, 319750, 639500, 799375, 1279000, 1598750, 3197500, 3996875, 6395000, 7993750, 15987500, 31975000]

約数ペア:

[(1, 31975000), (2, 15987500), (4, 7993750), (5, 6395000), (8, 3996875), (10, 3197500), (20, 1598750), (25, 1279000), (40, 799375), (50, 639500), (100, 319750), (125, 255800), (200, 159875), (250, 127900), (500, 63950), (625, 51160), (1000, 31975), (1250, 25580), (1279, 25000), (2500, 12790), (2558, 12500), (3125, 10232), (5000, 6395), (5116, 6250)]