27857120

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{4049}}^1$

素因数の和:4107

約数の個数: 48

約数和(自身を含む): 67359600

約数和(自身を除く): 39502480

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, 4049, 6880, 8098, 16196, 20245, 32392, 40490, 64784, 80980, 129568, 161960, 174107, 323920, 348214, 647840, 696428, 870535, 1392856, 1741070, 2785712, 3482140, 5571424, 6964280, 13928560, 27857120]

約数ペア:

[(1, 27857120), (2, 13928560), (4, 6964280), (5, 5571424), (8, 3482140), (10, 2785712), (16, 1741070), (20, 1392856), (32, 870535), (40, 696428), (43, 647840), (80, 348214), (86, 323920), (160, 174107), (172, 161960), (215, 129568), (344, 80980), (430, 64784), (688, 40490), (860, 32392), (1376, 20245), (1720, 16196), (3440, 8098), (4049, 6880)]