2180960

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:375

約数の個数: 48

約数和(自身を含む): 5288976

約数和(自身を除く): 3108016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 317, 344, 430, 634, 688, 860, 1268, 1376, 1585, 1720, 2536, 3170, 3440, 5072, 6340, 6880, 10144, 12680, 13631, 25360, 27262, 50720, 54524, 68155, 109048, 136310, 218096, 272620, 436192, 545240, 1090480, 2180960]

約数ペア:

[(1, 2180960), (2, 1090480), (4, 545240), (5, 436192), (8, 272620), (10, 218096), (16, 136310), (20, 109048), (32, 68155), (40, 54524), (43, 50720), (80, 27262), (86, 25360), (160, 13631), (172, 12680), (215, 10144), (317, 6880), (344, 6340), (430, 5072), (634, 3440), (688, 3170), (860, 2536), (1268, 1720), (1376, 1585)]