11757920

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1767

約数の個数: 48

約数和(自身を含む): 28440720

約数和(自身を除く): 16682800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1709, 1720, 3418, 3440, 6836, 6880, 8545, 13672, 17090, 27344, 34180, 54688, 68360, 73487, 136720, 146974, 273440, 293948, 367435, 587896, 734870, 1175792, 1469740, 2351584, 2939480, 5878960, 11757920]

約数ペア:

[(1, 11757920), (2, 5878960), (4, 2939480), (5, 2351584), (8, 1469740), (10, 1175792), (16, 734870), (20, 587896), (32, 367435), (40, 293948), (43, 273440), (80, 146974), (86, 136720), (160, 73487), (172, 68360), (215, 54688), (344, 34180), (430, 27344), (688, 17090), (860, 13672), (1376, 8545), (1709, 6880), (1720, 6836), (3418, 3440)]