28037225

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{12601}}^1$

素因数の和:12700

約数の個数: 12

約数和(自身を含む): 35159580

約数和(自身を除く): 7122355

約数列:

[1, 5, 25, 89, 445, 2225, 12601, 63005, 315025, 1121489, 5607445, 28037225]

約数ペア:

[(1, 28037225), (5, 5607445), (25, 1121489), (89, 315025), (445, 63005), (2225, 12601)]