12768500

素因数分解:

$2^2\times 5^3\times {\mathrm{25537}}^1$

素因数の和:25556

約数の個数: 24

約数和(自身を含む): 27887496

約数和(自身を除く): 15118996

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 25537, 51074, 102148, 127685, 255370, 510740, 638425, 1276850, 2553700, 3192125, 6384250, 12768500]

約数ペア:

[(1, 12768500), (2, 6384250), (4, 3192125), (5, 2553700), (10, 1276850), (20, 638425), (25, 510740), (50, 255370), (100, 127685), (125, 102148), (250, 51074), (500, 25537)]