8007200

素因数分解:

$2^5\times 5^2\times {\mathrm{10009}}^1$

素因数の和:10029

約数の個数: 36

約数和(自身を含む): 19549530

約数和(自身を除く): 11542330

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 10009, 20018, 40036, 50045, 80072, 100090, 160144, 200180, 250225, 320288, 400360, 500450, 800720, 1000900, 1601440, 2001800, 4003600, 8007200]

約数ペア:

[(1, 8007200), (2, 4003600), (4, 2001800), (5, 1601440), (8, 1000900), (10, 800720), (16, 500450), (20, 400360), (25, 320288), (32, 250225), (40, 200180), (50, 160144), (80, 100090), (100, 80072), (160, 50045), (200, 40036), (400, 20018), (800, 10009)]