1322540

素因数分解:

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

素因数の和:841

約数の個数: 24

約数和(自身を含む): 2812320

約数和(自身を除く): 1489780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 743, 890, 1486, 1780, 2972, 3715, 7430, 14860, 66127, 132254, 264508, 330635, 661270, 1322540]

約数ペア:

[(1, 1322540), (2, 661270), (4, 330635), (5, 264508), (10, 132254), (20, 66127), (89, 14860), (178, 7430), (356, 3715), (445, 2972), (743, 1780), (890, 1486)]