263206960

素因数分解:

$2^4\times 5^1\times {\mathrm{3290087}}^1$

素因数の和:3290100

約数の個数: 20

約数和(自身を含む): 611956368

約数和(自身を除く): 348749408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3290087, 6580174, 13160348, 16450435, 26320696, 32900870, 52641392, 65801740, 131603480, 263206960]

約数ペア:

[(1, 263206960), (2, 131603480), (4, 65801740), (5, 52641392), (8, 32900870), (10, 26320696), (16, 16450435), (20, 13160348), (40, 6580174), (80, 3290087)]