724497020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2786527}}^1$

素因数の和:2786549

約数の個数: 24

約数和(自身を含む): 1638478464

約数和(自身を除く): 913981444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2786527, 5573054, 11146108, 13932635, 27865270, 36224851, 55730540, 72449702, 144899404, 181124255, 362248510, 724497020]

約数ペア:

[(1, 724497020), (2, 362248510), (4, 181124255), (5, 144899404), (10, 72449702), (13, 55730540), (20, 36224851), (26, 27865270), (52, 13932635), (65, 11146108), (130, 5573054), (260, 2786527)]