2645080

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:843

約数の個数: 32

約数和(自身を含む): 6026400

約数和(自身を除く): 3381320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 743, 890, 1486, 1780, 2972, 3560, 3715, 5944, 7430, 14860, 29720, 66127, 132254, 264508, 330635, 529016, 661270, 1322540, 2645080]

約数ペア:

[(1, 2645080), (2, 1322540), (4, 661270), (5, 529016), (8, 330635), (10, 264508), (20, 132254), (40, 66127), (89, 29720), (178, 14860), (356, 7430), (445, 5944), (712, 3715), (743, 3560), (890, 2972), (1486, 1780)]