16783280

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1087}}^1$

素因数の和:1293

約数の個数: 40

約数和(自身を含む): 39259392

約数和(自身を除く): 22476112

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 772, 965, 1087, 1544, 1930, 2174, 3088, 3860, 4348, 5435, 7720, 8696, 10870, 15440, 17392, 21740, 43480, 86960, 209791, 419582, 839164, 1048955, 1678328, 2097910, 3356656, 4195820, 8391640, 16783280]

約数ペア:

[(1, 16783280), (2, 8391640), (4, 4195820), (5, 3356656), (8, 2097910), (10, 1678328), (16, 1048955), (20, 839164), (40, 419582), (80, 209791), (193, 86960), (386, 43480), (772, 21740), (965, 17392), (1087, 15440), (1544, 10870), (1930, 8696), (2174, 7720), (3088, 5435), (3860, 4348)]