85855520

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12479}}^1$

素因数の和:12537

約数の個数: 48

約数和(自身を含む): 207567360

約数和(自身を除く): 121711840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 3440, 6880, 12479, 24958, 49916, 62395, 99832, 124790, 199664, 249580, 399328, 499160, 536597, 998320, 1073194, 1996640, 2146388, 2682985, 4292776, 5365970, 8585552, 10731940, 17171104, 21463880, 42927760, 85855520]

約数ペア:

[(1, 85855520), (2, 42927760), (4, 21463880), (5, 17171104), (8, 10731940), (10, 8585552), (16, 5365970), (20, 4292776), (32, 2682985), (40, 2146388), (43, 1996640), (80, 1073194), (86, 998320), (160, 536597), (172, 499160), (215, 399328), (344, 249580), (430, 199664), (688, 124790), (860, 99832), (1376, 62395), (1720, 49916), (3440, 24958), (6880, 12479)]