5256890

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{1009}}^1$

素因数の和:1537

約数の個数: 16

約数和(自身を含む): 9489960

約数和(自身を除く): 4233070

約数列:

[1, 2, 5, 10, 521, 1009, 1042, 2018, 2605, 5045, 5210, 10090, 525689, 1051378, 2628445, 5256890]

約数ペア:

[(1, 5256890), (2, 2628445), (5, 1051378), (10, 525689), (521, 10090), (1009, 5210), (1042, 5045), (2018, 2605)]