8644000

素因数分解:

$2^5\times 5^3\times {\mathrm{2161}}^1$

素因数の和:2186

約数の個数: 48

約数和(自身を含む): 21248136

約数和(自身を除く): 12604136

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, 2000, 2161, 4000, 4322, 8644, 10805, 17288, 21610, 34576, 43220, 54025, 69152, 86440, 108050, 172880, 216100, 270125, 345760, 432200, 540250, 864400, 1080500, 1728800, 2161000, 4322000, 8644000]

約数ペア:

[(1, 8644000), (2, 4322000), (4, 2161000), (5, 1728800), (8, 1080500), (10, 864400), (16, 540250), (20, 432200), (25, 345760), (32, 270125), (40, 216100), (50, 172880), (80, 108050), (100, 86440), (125, 69152), (160, 54025), (200, 43220), (250, 34576), (400, 21610), (500, 17288), (800, 10805), (1000, 8644), (2000, 4322), (2161, 4000)]