8455520

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1229}}^1$

素因数の和:1287

約数の個数: 48

約数和(自身を含む): 20457360

約数和(自身を除く): 12001840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1229, 1376, 1720, 2458, 3440, 4916, 6145, 6880, 9832, 12290, 19664, 24580, 39328, 49160, 52847, 98320, 105694, 196640, 211388, 264235, 422776, 528470, 845552, 1056940, 1691104, 2113880, 4227760, 8455520]

約数ペア:

[(1, 8455520), (2, 4227760), (4, 2113880), (5, 1691104), (8, 1056940), (10, 845552), (16, 528470), (20, 422776), (32, 264235), (40, 211388), (43, 196640), (80, 105694), (86, 98320), (160, 52847), (172, 49160), (215, 39328), (344, 24580), (430, 19664), (688, 12290), (860, 9832), (1229, 6880), (1376, 6145), (1720, 4916), (2458, 3440)]