1057640

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 2409480

約数和(自身を除く): 1351840

約数列:

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

約数ペア:

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