51276640

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 96

約数和(自身を含む): 128731680

約数和(自身を除く): 77455040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 43, 58, 80, 86, 116, 145, 160, 172, 215, 232, 257, 290, 344, 430, 464, 514, 580, 688, 860, 928, 1028, 1160, 1247, 1285, 1376, 1720, 2056, 2320, 2494, 2570, 3440, 4112, 4640, 4988, 5140, 6235, 6880, 7453, 8224, 9976, 10280, 11051, 12470, 14906, 19952, 20560, 22102, 24940, 29812, 37265, 39904, 41120, 44204, 49880, 55255, 59624, 74530, 88408, 99760, 110510, 119248, 149060, 176816, 199520, 221020, 238496, 298120, 320479, 353632, 442040, 596240, 640958, 884080, 1192480, 1281916, 1602395, 1768160, 2563832, 3204790, 5127664, 6409580, 10255328, 12819160, 25638320, 51276640]

約数ペア:

[(1, 51276640), (2, 25638320), (4, 12819160), (5, 10255328), (8, 6409580), (10, 5127664), (16, 3204790), (20, 2563832), (29, 1768160), (32, 1602395), (40, 1281916), (43, 1192480), (58, 884080), (80, 640958), (86, 596240), (116, 442040), (145, 353632), (160, 320479), (172, 298120), (215, 238496), (232, 221020), (257, 199520), (290, 176816), (344, 149060), (430, 119248), (464, 110510), (514, 99760), (580, 88408), (688, 74530), (860, 59624), (928, 55255), (1028, 49880), (1160, 44204), (1247, 41120), (1285, 39904), (1376, 37265), (1720, 29812), (2056, 24940), (2320, 22102), (2494, 20560), (2570, 19952), (3440, 14906), (4112, 12470), (4640, 11051), (4988, 10280), (5140, 9976), (6235, 8224), (6880, 7453)]