8090360

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{787}}^1$

素因数の和:1055

約数の個数: 32

約数和(自身を含む): 18297360

約数和(自身を除く): 10207000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 787, 1028, 1285, 1574, 2056, 2570, 3148, 3935, 5140, 6296, 7870, 10280, 15740, 31480, 202259, 404518, 809036, 1011295, 1618072, 2022590, 4045180, 8090360]

約数ペア:

[(1, 8090360), (2, 4045180), (4, 2022590), (5, 1618072), (8, 1011295), (10, 809036), (20, 404518), (40, 202259), (257, 31480), (514, 15740), (787, 10280), (1028, 7870), (1285, 6296), (1574, 5140), (2056, 3935), (2570, 3148)]