26628760

素因数分解:

$2^3\times 5^1\times {\mathrm{665719}}^1$

素因数の和:665730

約数の個数: 16

約数和(自身を含む): 59914800

約数和(自身を除く): 33286040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 665719, 1331438, 2662876, 3328595, 5325752, 6657190, 13314380, 26628760]

約数ペア:

[(1, 26628760), (2, 13314380), (4, 6657190), (5, 5325752), (8, 3328595), (10, 2662876), (20, 1331438), (40, 665719)]