7888420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20759}}^1$

素因数の和:20787

約数の個数: 24

約数和(自身を含む): 17438400

約数和(自身を除く): 9549980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 20759, 41518, 83036, 103795, 207590, 394421, 415180, 788842, 1577684, 1972105, 3944210, 7888420]

約数ペア:

[(1, 7888420), (2, 3944210), (4, 1972105), (5, 1577684), (10, 788842), (19, 415180), (20, 394421), (38, 207590), (76, 103795), (95, 83036), (190, 41518), (380, 20759)]