166402360

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{16187}}^1$

素因数の和:16455

約数の個数: 32

約数和(自身を含む): 375885360

約数和(自身を除く): 209483000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 16187, 32374, 64748, 80935, 129496, 161870, 323740, 647480, 4160059, 8320118, 16640236, 20800295, 33280472, 41600590, 83201180, 166402360]

約数ペア:

[(1, 166402360), (2, 83201180), (4, 41600590), (5, 33280472), (8, 20800295), (10, 16640236), (20, 8320118), (40, 4160059), (257, 647480), (514, 323740), (1028, 161870), (1285, 129496), (2056, 80935), (2570, 64748), (5140, 32374), (10280, 16187)]