26457520

素因数分解:

$2^4\times 5^1\times {\mathrm{330719}}^1$

素因数の和:330732

約数の個数: 20

約数和(自身を含む): 61513920

約数和(自身を除く): 35056400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 330719, 661438, 1322876, 1653595, 2645752, 3307190, 5291504, 6614380, 13228760, 26457520]

約数ペア:

[(1, 26457520), (2, 13228760), (4, 6614380), (5, 5291504), (8, 3307190), (10, 2645752), (16, 1653595), (20, 1322876), (40, 661438), (80, 330719)]