5116000

素因数分解:

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

素因数の和:1304

約数の個数: 48

約数和(自身を含む): 12579840

約数和(自身を除く): 7463840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 1279, 2000, 2558, 4000, 5116, 6395, 10232, 12790, 20464, 25580, 31975, 40928, 51160, 63950, 102320, 127900, 159875, 204640, 255800, 319750, 511600, 639500, 1023200, 1279000, 2558000, 5116000]

約数ペア:

[(1, 5116000), (2, 2558000), (4, 1279000), (5, 1023200), (8, 639500), (10, 511600), (16, 319750), (20, 255800), (25, 204640), (32, 159875), (40, 127900), (50, 102320), (80, 63950), (100, 51160), (125, 40928), (160, 31975), (200, 25580), (250, 20464), (400, 12790), (500, 10232), (800, 6395), (1000, 5116), (1279, 4000), (2000, 2558)]