9982880

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1$

素因数の和:1509

約数の個数: 48

約数和(自身を含む): 24149664

約数和(自身を除く): 14166784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1451, 1720, 2902, 3440, 5804, 6880, 7255, 11608, 14510, 23216, 29020, 46432, 58040, 62393, 116080, 124786, 232160, 249572, 311965, 499144, 623930, 998288, 1247860, 1996576, 2495720, 4991440, 9982880]

約数ペア:

[(1, 9982880), (2, 4991440), (4, 2495720), (5, 1996576), (8, 1247860), (10, 998288), (16, 623930), (20, 499144), (32, 311965), (40, 249572), (43, 232160), (80, 124786), (86, 116080), (160, 62393), (172, 58040), (215, 46432), (344, 29020), (430, 23216), (688, 14510), (860, 11608), (1376, 7255), (1451, 6880), (1720, 5804), (2902, 3440)]