12803600

素因数分解:

$2^4\times 5^2\times {\mathrm{32009}}^1$

素因数の和:32027

約数の個数: 30

約数和(自身を含む): 30761610

約数和(自身を除く): 17958010

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 32009, 64018, 128036, 160045, 256072, 320090, 512144, 640180, 800225, 1280360, 1600450, 2560720, 3200900, 6401800, 12803600]

約数ペア:

[(1, 12803600), (2, 6401800), (4, 3200900), (5, 2560720), (8, 1600450), (10, 1280360), (16, 800225), (20, 640180), (25, 512144), (40, 320090), (50, 256072), (80, 160045), (100, 128036), (200, 64018), (400, 32009)]