28277870

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{25943}}^1$

素因数の和:26059

約数の個数: 16

約数和(自身を含む): 51369120

約数和(自身を除く): 23091250

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 25943, 51886, 129715, 259430, 2827787, 5655574, 14138935, 28277870]

約数ペア:

[(1, 28277870), (2, 14138935), (5, 5655574), (10, 2827787), (109, 259430), (218, 129715), (545, 51886), (1090, 25943)]