2008400

素因数分解:

$2^4\times 5^2\times {\mathrm{5021}}^1$

素因数の和:5039

約数の個数: 30

約数和(自身を含む): 4826142

約数和(自身を除く): 2817742

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 5021, 10042, 20084, 25105, 40168, 50210, 80336, 100420, 125525, 200840, 251050, 401680, 502100, 1004200, 2008400]

約数ペア:

[(1, 2008400), (2, 1004200), (4, 502100), (5, 401680), (8, 251050), (10, 200840), (16, 125525), (20, 100420), (25, 80336), (40, 50210), (50, 40168), (80, 25105), (100, 20084), (200, 10042), (400, 5021)]