1004280400

素因数分解:

$2^4\times 5^2\times {\mathrm{2510701}}^1$

素因数の和:2510719

約数の個数: 30

約数和(自身を含む): 2412784622

約数和(自身を除く): 1408504222

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 2510701, 5021402, 10042804, 12553505, 20085608, 25107010, 40171216, 50214020, 62767525, 100428040, 125535050, 200856080, 251070100, 502140200, 1004280400]

約数ペア:

[(1, 1004280400), (2, 502140200), (4, 251070100), (5, 200856080), (8, 125535050), (10, 100428040), (16, 62767525), (20, 50214020), (25, 40171216), (40, 25107010), (50, 20085608), (80, 12553505), (100, 10042804), (200, 5021402), (400, 2510701)]