12105678820

素因数分解:

$2^2\times 5^1\times {\mathrm{9109}}^1\times {\mathrm{66449}}^1$

素因数の和:75567

約数の個数: 24

約数和(自身を含む): 25425099000

約数和(自身を除く): 13319420180

約数列:

[1, 2, 4, 5, 10, 20, 9109, 18218, 36436, 45545, 66449, 91090, 132898, 182180, 265796, 332245, 664490, 1328980, 605283941, 1210567882, 2421135764, 3026419705, 6052839410, 12105678820]

約数ペア:

[(1, 12105678820), (2, 6052839410), (4, 3026419705), (5, 2421135764), (10, 1210567882), (20, 605283941), (9109, 1328980), (18218, 664490), (36436, 332245), (45545, 265796), (66449, 182180), (91090, 132898)]