12885200

素因数分解:

$2^4\times 5^2\times {\mathrm{32213}}^1$

素因数の和:32231

約数の個数: 30

約数和(自身を含む): 30957654

約数和(自身を除く): 18072454

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 32213, 64426, 128852, 161065, 257704, 322130, 515408, 644260, 805325, 1288520, 1610650, 2577040, 3221300, 6442600, 12885200]

約数ペア:

[(1, 12885200), (2, 6442600), (4, 3221300), (5, 2577040), (8, 1610650), (10, 1288520), (16, 805325), (20, 644260), (25, 515408), (40, 322130), (50, 257704), (80, 161065), (100, 128852), (200, 64426), (400, 32213)]