12778340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27779}}^1$

素因数の和:27811

約数の個数: 24

約数和(自身を含む): 28002240

約数和(自身を除く): 15223900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 27779, 55558, 111116, 138895, 277790, 555580, 638917, 1277834, 2555668, 3194585, 6389170, 12778340]

約数ペア:

[(1, 12778340), (2, 6389170), (4, 3194585), (5, 2555668), (10, 1277834), (20, 638917), (23, 555580), (46, 277790), (92, 138895), (115, 111116), (230, 55558), (460, 27779)]