4384280

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2549}}^1$

素因数の和:2603

約数の個数: 32

約数和(自身を含む): 10098000

約数和(自身を除く): 5713720

約数列:

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

約数ペア:

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