90451040

素因数分解:

$2^5\times 5^1\times {\mathrm{565319}}^1$

素因数の和:565334

約数の個数: 24

約数和(自身を含む): 213690960

約数和(自身を除く): 123239920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 565319, 1130638, 2261276, 2826595, 4522552, 5653190, 9045104, 11306380, 18090208, 22612760, 45225520, 90451040]

約数ペア:

[(1, 90451040), (2, 45225520), (4, 22612760), (5, 18090208), (8, 11306380), (10, 9045104), (16, 5653190), (20, 4522552), (32, 2826595), (40, 2261276), (80, 1130638), (160, 565319)]