8905180

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1693}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 18783072

約数和(自身を除く): 9877892

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 1693, 2630, 3386, 5260, 6772, 8465, 16930, 33860, 445259, 890518, 1781036, 2226295, 4452590, 8905180]

約数ペア:

[(1, 8905180), (2, 4452590), (4, 2226295), (5, 1781036), (10, 890518), (20, 445259), (263, 33860), (526, 16930), (1052, 8465), (1315, 6772), (1693, 5260), (2630, 3386)]