2065540

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{743}}^1$

素因数の和:891

約数の個数: 24

約数和(自身を含む): 4374720

約数和(自身を除く): 2309180

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 743, 1390, 1486, 2780, 2972, 3715, 7430, 14860, 103277, 206554, 413108, 516385, 1032770, 2065540]

約数ペア:

[(1, 2065540), (2, 1032770), (4, 516385), (5, 413108), (10, 206554), (20, 103277), (139, 14860), (278, 7430), (556, 3715), (695, 2972), (743, 2780), (1390, 1486)]