8768560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2549}}^1$

素因数の和:2605

約数の個数: 40

約数和(自身を含む): 20869200

約数和(自身を除く): 12100640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 2549, 3440, 5098, 10196, 12745, 20392, 25490, 40784, 50980, 101960, 109607, 203920, 219214, 438428, 548035, 876856, 1096070, 1753712, 2192140, 4384280, 8768560]

約数ペア:

[(1, 8768560), (2, 4384280), (4, 2192140), (5, 1753712), (8, 1096070), (10, 876856), (16, 548035), (20, 438428), (40, 219214), (43, 203920), (80, 109607), (86, 101960), (172, 50980), (215, 40784), (344, 25490), (430, 20392), (688, 12745), (860, 10196), (1720, 5098), (2549, 3440)]