2154620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8287}}^1$

素因数の和:8309

約数の個数: 24

約数和(自身を含む): 4873344

約数和(自身を除く): 2718724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 8287, 16574, 33148, 41435, 82870, 107731, 165740, 215462, 430924, 538655, 1077310, 2154620]

約数ペア:

[(1, 2154620), (2, 1077310), (4, 538655), (5, 430924), (10, 215462), (13, 165740), (20, 107731), (26, 82870), (52, 41435), (65, 33148), (130, 16574), (260, 8287)]