2115280

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:343

約数の個数: 40

約数和(自身を含む): 4979592

約数和(自身を除く): 2864312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 193, 274, 386, 548, 685, 772, 965, 1096, 1370, 1544, 1930, 2192, 2740, 3088, 3860, 5480, 7720, 10960, 15440, 26441, 52882, 105764, 132205, 211528, 264410, 423056, 528820, 1057640, 2115280]

約数ペア:

[(1, 2115280), (2, 1057640), (4, 528820), (5, 423056), (8, 264410), (10, 211528), (16, 132205), (20, 105764), (40, 52882), (80, 26441), (137, 15440), (193, 10960), (274, 7720), (386, 5480), (548, 3860), (685, 3088), (772, 2740), (965, 2192), (1096, 1930), (1370, 1544)]