91380625

素因数分解:

$5^4\times 7^1\times {\mathrm{20887}}^1$

素因数の和:20914

約数の個数: 20

約数和(自身を含む): 130508224

約数和(自身を除く): 39127599

約数列:

[1, 5, 7, 25, 35, 125, 175, 625, 875, 4375, 20887, 104435, 146209, 522175, 731045, 2610875, 3655225, 13054375, 18276125, 91380625]

約数ペア:

[(1, 91380625), (5, 18276125), (7, 13054375), (25, 3655225), (35, 2610875), (125, 731045), (175, 522175), (625, 146209), (875, 104435), (4375, 20887)]