80645392

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{56633}}^1$

素因数の和:56730

約数の個数: 20

約数和(自身を含む): 158008860

約数和(自身を除く): 77363468

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 56633, 113266, 226532, 453064, 906128, 5040337, 10080674, 20161348, 40322696, 80645392]

約数ペア:

[(1, 80645392), (2, 40322696), (4, 20161348), (8, 10080674), (16, 5040337), (89, 906128), (178, 453064), (356, 226532), (712, 113266), (1424, 56633)]