7809380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20551}}^1$

素因数の和:20579

約数の個数: 24

約数和(自身を含む): 17263680

約数和(自身を除く): 9454300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 20551, 41102, 82204, 102755, 205510, 390469, 411020, 780938, 1561876, 1952345, 3904690, 7809380]

約数ペア:

[(1, 7809380), (2, 3904690), (4, 1952345), (5, 1561876), (10, 780938), (19, 411020), (20, 390469), (38, 205510), (76, 102755), (95, 82204), (190, 41102), (380, 20551)]