5525500

素因数分解:

$2^2\times 5^3\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:319

約数の個数: 48

約数和(自身を含む): 12396384

約数和(自身を除く): 6870884

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 125, 172, 215, 250, 257, 430, 500, 514, 860, 1028, 1075, 1285, 2150, 2570, 4300, 5140, 5375, 6425, 10750, 11051, 12850, 21500, 22102, 25700, 32125, 44204, 55255, 64250, 110510, 128500, 221020, 276275, 552550, 1105100, 1381375, 2762750, 5525500]

約数ペア:

[(1, 5525500), (2, 2762750), (4, 1381375), (5, 1105100), (10, 552550), (20, 276275), (25, 221020), (43, 128500), (50, 110510), (86, 64250), (100, 55255), (125, 44204), (172, 32125), (215, 25700), (250, 22102), (257, 21500), (430, 12850), (500, 11051), (514, 10750), (860, 6425), (1028, 5375), (1075, 5140), (1285, 4300), (2150, 2570)]