54308020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{208877}}^1$

素因数の和:208899

約数の個数: 24

約数和(自身を含む): 122820264

約数和(自身を除く): 68512244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 208877, 417754, 835508, 1044385, 2088770, 2715401, 4177540, 5430802, 10861604, 13577005, 27154010, 54308020]

約数ペア:

[(1, 54308020), (2, 27154010), (4, 13577005), (5, 10861604), (10, 5430802), (13, 4177540), (20, 2715401), (26, 2088770), (52, 1044385), (65, 835508), (130, 417754), (260, 208877)]