28585520

素因数分解:

$2^4\times 5^1\times {\mathrm{357319}}^1$

素因数の和:357332

約数の個数: 20

約数和(自身を含む): 66461520

約数和(自身を除く): 37876000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 357319, 714638, 1429276, 1786595, 2858552, 3573190, 5717104, 7146380, 14292760, 28585520]

約数ペア:

[(1, 28585520), (2, 14292760), (4, 7146380), (5, 5717104), (8, 3573190), (10, 2858552), (16, 1786595), (20, 1429276), (40, 714638), (80, 357319)]