87731225

素因数分解:

$5^2\times {\mathrm{661}}^1\times {\mathrm{5309}}^1$

素因数の和:5980

約数の個数: 12

約数和(自身を含む): 108971820

約数和(自身を除く): 21240595

約数列:

[1, 5, 25, 661, 3305, 5309, 16525, 26545, 132725, 3509249, 17546245, 87731225]

約数ペア:

[(1, 87731225), (5, 17546245), (25, 3509249), (661, 132725), (3305, 26545), (5309, 16525)]