16111640

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{2087}}^1$

素因数の和:2291

約数の個数: 32

約数和(自身を含む): 36456480

約数和(自身を除く): 20344840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 2087, 3860, 4174, 7720, 8348, 10435, 16696, 20870, 41740, 83480, 402791, 805582, 1611164, 2013955, 3222328, 4027910, 8055820, 16111640]

約数ペア:

[(1, 16111640), (2, 8055820), (4, 4027910), (5, 3222328), (8, 2013955), (10, 1611164), (20, 805582), (40, 402791), (193, 83480), (386, 41740), (772, 20870), (965, 16696), (1544, 10435), (1930, 8348), (2087, 7720), (3860, 4174)]