202770620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{779887}}^1$

素因数の和:779909

約数の個数: 24

約数和(自身を含む): 458574144

約数和(自身を除く): 255803524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 779887, 1559774, 3119548, 3899435, 7798870, 10138531, 15597740, 20277062, 40554124, 50692655, 101385310, 202770620]

約数ペア:

[(1, 202770620), (2, 101385310), (4, 50692655), (5, 40554124), (10, 20277062), (13, 15597740), (20, 10138531), (26, 7798870), (52, 3899435), (65, 3119548), (130, 1559774), (260, 779887)]