101980225

素因数分解:

$5^2\times {\mathrm{131}}^1\times {\mathrm{31139}}^1$

素因数の和:31280

約数の個数: 12

約数和(自身を含む): 127424880

約数和(自身を除く): 25444655

約数列:

[1, 5, 25, 131, 655, 3275, 31139, 155695, 778475, 4079209, 20396045, 101980225]

約数ペア:

[(1, 101980225), (5, 20396045), (25, 4079209), (131, 778475), (655, 155695), (3275, 31139)]