25789780

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{4903}}^1$

素因数の和:5175

約数の個数: 24

約数和(自身を含む): 54375552

約数和(自身を除く): 28585772

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 4903, 5260, 9806, 19612, 24515, 49030, 98060, 1289489, 2578978, 5157956, 6447445, 12894890, 25789780]

約数ペア:

[(1, 25789780), (2, 12894890), (4, 6447445), (5, 5157956), (10, 2578978), (20, 1289489), (263, 98060), (526, 49030), (1052, 24515), (1315, 19612), (2630, 9806), (4903, 5260)]