10805000

素因数分解:

$2^3\times 5^4\times {\mathrm{2161}}^1$

素因数の和:2187

約数の個数: 40

約数和(自身を含む): 25327830

約数和(自身を除く): 14522830

約数列:

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

約数ペア:

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