2008017040

素因数分解:

$2^4\times 5^1\times {\mathrm{25100213}}^1$

素因数の和:25100226

約数の個数: 20

約数和(自身を含む): 4668639804

約数和(自身を除く): 2660622764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25100213, 50200426, 100400852, 125501065, 200801704, 251002130, 401603408, 502004260, 1004008520, 2008017040]

約数ペア:

[(1, 2008017040), (2, 1004008520), (4, 502004260), (5, 401603408), (8, 251002130), (10, 200801704), (16, 125501065), (20, 100400852), (40, 50200426), (80, 25100213)]