38890640

素因数分解:

$2^4\times 5^1\times {\mathrm{486133}}^1$

素因数の和:486146

約数の個数: 20

約数和(自身を含む): 90420924

約数和(自身を除く): 51530284

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 486133, 972266, 1944532, 2430665, 3889064, 4861330, 7778128, 9722660, 19445320, 38890640]

約数ペア:

[(1, 38890640), (2, 19445320), (4, 9722660), (5, 7778128), (8, 4861330), (10, 3889064), (16, 2430665), (20, 1944532), (40, 972266), (80, 486133)]