28436740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61819}}^1$

素因数の和:61851

約数の個数: 24

約数和(自身を含む): 62314560

約数和(自身を除く): 33877820

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 61819, 123638, 247276, 309095, 618190, 1236380, 1421837, 2843674, 5687348, 7109185, 14218370, 28436740]

約数ペア:

[(1, 28436740), (2, 14218370), (4, 7109185), (5, 5687348), (10, 2843674), (20, 1421837), (23, 1236380), (46, 618190), (92, 309095), (115, 247276), (230, 123638), (460, 61819)]