81285650

素因数分解:

$2^1\times 5^2\times {\mathrm{277}}^1\times {\mathrm{5869}}^1$

素因数の和:6158

約数の個数: 24

約数和(自身を含む): 151762980

約数和(自身を除く): 70477330

約数列:

[1, 2, 5, 10, 25, 50, 277, 554, 1385, 2770, 5869, 6925, 11738, 13850, 29345, 58690, 146725, 293450, 1625713, 3251426, 8128565, 16257130, 40642825, 81285650]

約数ペア:

[(1, 81285650), (2, 40642825), (5, 16257130), (10, 8128565), (25, 3251426), (50, 1625713), (277, 293450), (554, 146725), (1385, 58690), (2770, 29345), (5869, 13850), (6925, 11738)]