87220475

素因数分解:

$5^2\times {\mathrm{739}}^1\times {\mathrm{4721}}^1$

素因数の和:5470

約数の個数: 12

約数和(自身を含む): 108322680

約数和(自身を除く): 21102205

約数列:

[1, 5, 25, 739, 3695, 4721, 18475, 23605, 118025, 3488819, 17444095, 87220475]

約数ペア:

[(1, 87220475), (5, 17444095), (25, 3488819), (739, 118025), (3695, 23605), (4721, 18475)]