83661640

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{10837}}^1$

素因数の和:11041

約数の個数: 32

約数和(自身を含む): 189231480

約数和(自身を除く): 105569840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 10837, 21674, 43348, 54185, 86696, 108370, 216740, 433480, 2091541, 4183082, 8366164, 10457705, 16732328, 20915410, 41830820, 83661640]

約数ペア:

[(1, 83661640), (2, 41830820), (4, 20915410), (5, 16732328), (8, 10457705), (10, 8366164), (20, 4183082), (40, 2091541), (193, 433480), (386, 216740), (772, 108370), (965, 86696), (1544, 54185), (1930, 43348), (3860, 21674), (7720, 10837)]