80007520

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:488

約数の個数: 96

約数和(自身を含む): 200581920

約数和(自身を除く): 120574400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 80, 86, 116, 145, 160, 172, 215, 232, 290, 344, 401, 430, 464, 580, 688, 802, 860, 928, 1160, 1247, 1376, 1604, 1720, 2005, 2320, 2494, 3208, 3440, 4010, 4640, 4988, 6235, 6416, 6880, 8020, 9976, 11629, 12470, 12832, 16040, 17243, 19952, 23258, 24940, 32080, 34486, 39904, 46516, 49880, 58145, 64160, 68972, 86215, 93032, 99760, 116290, 137944, 172430, 186064, 199520, 232580, 275888, 344860, 372128, 465160, 500047, 551776, 689720, 930320, 1000094, 1379440, 1860640, 2000188, 2500235, 2758880, 4000376, 5000470, 8000752, 10000940, 16001504, 20001880, 40003760, 80007520]

約数ペア:

[(1, 80007520), (2, 40003760), (4, 20001880), (5, 16001504), (8, 10000940), (10, 8000752), (16, 5000470), (20, 4000376), (29, 2758880), (32, 2500235), (40, 2000188), (43, 1860640), (58, 1379440), (80, 1000094), (86, 930320), (116, 689720), (145, 551776), (160, 500047), (172, 465160), (215, 372128), (232, 344860), (290, 275888), (344, 232580), (401, 199520), (430, 186064), (464, 172430), (580, 137944), (688, 116290), (802, 99760), (860, 93032), (928, 86215), (1160, 68972), (1247, 64160), (1376, 58145), (1604, 49880), (1720, 46516), (2005, 39904), (2320, 34486), (2494, 32080), (3208, 24940), (3440, 23258), (4010, 19952), (4640, 17243), (4988, 16040), (6235, 12832), (6416, 12470), (6880, 11629), (8020, 9976)]