21610000

素因数分解:

$2^4\times 5^4\times {\mathrm{2161}}^1$

素因数の和:2189

約数の個数: 50

約数和(自身を含む): 52344182

約数和(自身を除く): 30734182

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2161, 2500, 4322, 5000, 8644, 10000, 10805, 17288, 21610, 34576, 43220, 54025, 86440, 108050, 172880, 216100, 270125, 432200, 540250, 864400, 1080500, 1350625, 2161000, 2701250, 4322000, 5402500, 10805000, 21610000]

約数ペア:

[(1, 21610000), (2, 10805000), (4, 5402500), (5, 4322000), (8, 2701250), (10, 2161000), (16, 1350625), (20, 1080500), (25, 864400), (40, 540250), (50, 432200), (80, 270125), (100, 216100), (125, 172880), (200, 108050), (250, 86440), (400, 54025), (500, 43220), (625, 34576), (1000, 21610), (1250, 17288), (2000, 10805), (2161, 10000), (2500, 8644), (4322, 5000)]