25920745

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 31680000

約数和(自身を除く): 5759255

約数列:

[1, 5, 109, 199, 239, 545, 995, 1195, 21691, 26051, 47561, 108455, 130255, 237805, 5184149, 25920745]

約数ペア:

[(1, 25920745), (5, 5184149), (109, 237805), (199, 130255), (239, 108455), (545, 47561), (995, 26051), (1195, 21691)]