28202380

素因数分解:

$2^2\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{1223}}^1$

素因数の和:2385

約数の個数: 24

約数和(自身を含む): 59324832

約数和(自身を除く): 31122452

約数列:

[1, 2, 4, 5, 10, 20, 1153, 1223, 2306, 2446, 4612, 4892, 5765, 6115, 11530, 12230, 23060, 24460, 1410119, 2820238, 5640476, 7050595, 14101190, 28202380]

約数ペア:

[(1, 28202380), (2, 14101190), (4, 7050595), (5, 5640476), (10, 2820238), (20, 1410119), (1153, 24460), (1223, 23060), (2306, 12230), (2446, 11530), (4612, 6115), (4892, 5765)]