77312080

素因数分解:

$2^4\times 5^1\times {\mathrm{966401}}^1$

素因数の和:966414

約数の個数: 20

約数和(自身を含む): 179750772

約数和(自身を除く): 102438692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 966401, 1932802, 3865604, 4832005, 7731208, 9664010, 15462416, 19328020, 38656040, 77312080]

約数ペア:

[(1, 77312080), (2, 38656040), (4, 19328020), (5, 15462416), (8, 9664010), (10, 7731208), (16, 4832005), (20, 3865604), (40, 1932802), (80, 966401)]