80548624

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{387253}}^1$

素因数の和:387274

約数の個数: 20

約数和(自身を含む): 168068236

約数和(自身を除く): 87519612

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 387253, 774506, 1549012, 3098024, 5034289, 6196048, 10068578, 20137156, 40274312, 80548624]

約数ペア:

[(1, 80548624), (2, 40274312), (4, 20137156), (8, 10068578), (13, 6196048), (16, 5034289), (26, 3098024), (52, 1549012), (104, 774506), (208, 387253)]