25527820

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1931}}^1$

素因数の和:2601

約数の個数: 24

約数和(自身を含む): 53717328

約数和(自身を除く): 28189508

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 1931, 2644, 3305, 3862, 6610, 7724, 9655, 13220, 19310, 38620, 1276391, 2552782, 5105564, 6381955, 12763910, 25527820]

約数ペア:

[(1, 25527820), (2, 12763910), (4, 6381955), (5, 5105564), (10, 2552782), (20, 1276391), (661, 38620), (1322, 19310), (1931, 13220), (2644, 9655), (3305, 7724), (3862, 6610)]