2181860

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{859}}^1$

素因数の和:995

約数の個数: 24

約数和(自身を含む): 4623360

約数和(自身を除く): 2441500

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 859, 1270, 1718, 2540, 3436, 4295, 8590, 17180, 109093, 218186, 436372, 545465, 1090930, 2181860]

約数ペア:

[(1, 2181860), (2, 1090930), (4, 545465), (5, 436372), (10, 218186), (20, 109093), (127, 17180), (254, 8590), (508, 4295), (635, 3436), (859, 2540), (1270, 1718)]