12761780

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27743}}^1$

素因数の和:27775

約数の個数: 24

約数和(自身を含む): 27965952

約数和(自身を除く): 15204172

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 27743, 55486, 110972, 138715, 277430, 554860, 638089, 1276178, 2552356, 3190445, 6380890, 12761780]

約数ペア:

[(1, 12761780), (2, 6380890), (4, 3190445), (5, 2552356), (10, 1276178), (20, 638089), (23, 554860), (46, 277430), (92, 138715), (115, 110972), (230, 55486), (460, 27743)]