2065018540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7942379}}^1$

素因数の和:7942401

約数の個数: 24

約数和(自身を含む): 4670119440

約数和(自身を除く): 2605100900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7942379, 15884758, 31769516, 39711895, 79423790, 103250927, 158847580, 206501854, 413003708, 516254635, 1032509270, 2065018540]

約数ペア:

[(1, 2065018540), (2, 1032509270), (4, 516254635), (5, 413003708), (10, 206501854), (13, 158847580), (20, 103250927), (26, 79423790), (52, 39711895), (65, 31769516), (130, 15884758), (260, 7942379)]