4128020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15877}}^1$

素因数の和:15899

約数の個数: 24

約数和(自身を含む): 9336264

約数和(自身を除く): 5208244

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 15877, 31754, 63508, 79385, 158770, 206401, 317540, 412802, 825604, 1032005, 2064010, 4128020]

約数ペア:

[(1, 4128020), (2, 2064010), (4, 1032005), (5, 825604), (10, 412802), (13, 317540), (20, 206401), (26, 158770), (52, 79385), (65, 63508), (130, 31754), (260, 15877)]