31472080

素因数分解:

$2^4\times 5^1\times {\mathrm{393401}}^1$

素因数の和:393414

約数の個数: 20

約数和(自身を含む): 73172772

約数和(自身を除く): 41700692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 393401, 786802, 1573604, 1967005, 3147208, 3934010, 6294416, 7868020, 15736040, 31472080]

約数ペア:

[(1, 31472080), (2, 15736040), (4, 7868020), (5, 6294416), (8, 3934010), (10, 3147208), (16, 1967005), (20, 1573604), (40, 786802), (80, 393401)]