28442860

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{7219}}^1$

素因数の和:7425

約数の個数: 24

約数和(自身を含む): 60041520

約数和(自身を除く): 31598660

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 7219, 14438, 28876, 36095, 72190, 144380, 1422143, 2844286, 5688572, 7110715, 14221430, 28442860]

約数ペア:

[(1, 28442860), (2, 14221430), (4, 7110715), (5, 5688572), (10, 2844286), (20, 1422143), (197, 144380), (394, 72190), (788, 36095), (985, 28876), (1970, 14438), (3940, 7219)]