2066740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7949}}^1$

素因数の和:7971

約数の個数: 24

約数和(自身を含む): 4674600

約数和(自身を除く): 2607860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7949, 15898, 31796, 39745, 79490, 103337, 158980, 206674, 413348, 516685, 1033370, 2066740]

約数ペア:

[(1, 2066740), (2, 1033370), (4, 516685), (5, 413348), (10, 206674), (13, 158980), (20, 103337), (26, 79490), (52, 39745), (65, 31796), (130, 15898), (260, 7949)]