61295980

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{15401}}^1$

素因数の和:15609

約数の個数: 24

約数和(自身を含む): 129376800

約数和(自身を除く): 68080820

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 15401, 30802, 61604, 77005, 154010, 308020, 3064799, 6129598, 12259196, 15323995, 30647990, 61295980]

約数ペア:

[(1, 61295980), (2, 30647990), (4, 15323995), (5, 12259196), (10, 6129598), (20, 3064799), (199, 308020), (398, 154010), (796, 77005), (995, 61604), (1990, 30802), (3980, 15401)]