9886780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21493}}^1$

素因数の和:21525

約数の個数: 24

約数和(自身を含む): 21665952

約数和(自身を除く): 11779172

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 21493, 42986, 85972, 107465, 214930, 429860, 494339, 988678, 1977356, 2471695, 4943390, 9886780]

約数ペア:

[(1, 9886780), (2, 4943390), (4, 2471695), (5, 1977356), (10, 988678), (20, 494339), (23, 429860), (46, 214930), (92, 107465), (115, 85972), (230, 42986), (460, 21493)]