16839908020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64768877}}^1$

素因数の和:64768899

約数の個数: 24

約数和(自身を含む): 38084100264

約数和(自身を除く): 21244192244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 64768877, 129537754, 259075508, 323844385, 647688770, 841995401, 1295377540, 1683990802, 3367981604, 4209977005, 8419954010, 16839908020]

約数ペア:

[(1, 16839908020), (2, 8419954010), (4, 4209977005), (5, 3367981604), (10, 1683990802), (13, 1295377540), (20, 841995401), (26, 647688770), (52, 323844385), (65, 259075508), (130, 129537754), (260, 64768877)]