54905840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1451}}^1$

素因数の和:1518

約数の個数: 80

約数和(自身を含む): 142598016

約数和(自身を除く): 87692176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1451, 1720, 1892, 2365, 2902, 3440, 3784, 4730, 5804, 7255, 7568, 9460, 11608, 14510, 15961, 18920, 23216, 29020, 31922, 37840, 58040, 62393, 63844, 79805, 116080, 124786, 127688, 159610, 249572, 255376, 311965, 319220, 499144, 623930, 638440, 686323, 998288, 1247860, 1276880, 1372646, 2495720, 2745292, 3431615, 4991440, 5490584, 6863230, 10981168, 13726460, 27452920, 54905840]

約数ペア:

[(1, 54905840), (2, 27452920), (4, 13726460), (5, 10981168), (8, 6863230), (10, 5490584), (11, 4991440), (16, 3431615), (20, 2745292), (22, 2495720), (40, 1372646), (43, 1276880), (44, 1247860), (55, 998288), (80, 686323), (86, 638440), (88, 623930), (110, 499144), (172, 319220), (176, 311965), (215, 255376), (220, 249572), (344, 159610), (430, 127688), (440, 124786), (473, 116080), (688, 79805), (860, 63844), (880, 62393), (946, 58040), (1451, 37840), (1720, 31922), (1892, 29020), (2365, 23216), (2902, 18920), (3440, 15961), (3784, 14510), (4730, 11608), (5804, 9460), (7255, 7568)]