10518500

素因数分解:

$2^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:321

約数の個数: 48

約数和(自身を含む): 23303280

約数和(自身を除く): 12784780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 109, 125, 193, 218, 250, 386, 436, 500, 545, 772, 965, 1090, 1930, 2180, 2725, 3860, 4825, 5450, 9650, 10900, 13625, 19300, 21037, 24125, 27250, 42074, 48250, 54500, 84148, 96500, 105185, 210370, 420740, 525925, 1051850, 2103700, 2629625, 5259250, 10518500]

約数ペア:

[(1, 10518500), (2, 5259250), (4, 2629625), (5, 2103700), (10, 1051850), (20, 525925), (25, 420740), (50, 210370), (100, 105185), (109, 96500), (125, 84148), (193, 54500), (218, 48250), (250, 42074), (386, 27250), (436, 24125), (500, 21037), (545, 19300), (772, 13625), (965, 10900), (1090, 9650), (1930, 5450), (2180, 4825), (2725, 3860)]