8970400

素因数分解:

$2^5\times 5^2\times {\mathrm{11213}}^1$

素因数の和:11233

約数の個数: 36

約数和(自身を含む): 21900942

約数和(自身を除く): 12930542

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 11213, 22426, 44852, 56065, 89704, 112130, 179408, 224260, 280325, 358816, 448520, 560650, 897040, 1121300, 1794080, 2242600, 4485200, 8970400]

約数ペア:

[(1, 8970400), (2, 4485200), (4, 2242600), (5, 1794080), (8, 1121300), (10, 897040), (16, 560650), (20, 448520), (25, 358816), (32, 280325), (40, 224260), (50, 179408), (80, 112130), (100, 89704), (160, 56065), (200, 44852), (400, 22426), (800, 11213)]