25161875

素因数分解:

$5^4\times {\mathrm{127}}^1\times {\mathrm{317}}^1$

素因数の和:464

約数の個数: 20

約数和(自身を含む): 31789824

約数和(自身を除く): 6627949

約数列:

[1, 5, 25, 125, 127, 317, 625, 635, 1585, 3175, 7925, 15875, 39625, 40259, 79375, 198125, 201295, 1006475, 5032375, 25161875]

約数ペア:

[(1, 25161875), (5, 5032375), (25, 1006475), (125, 201295), (127, 198125), (317, 79375), (625, 40259), (635, 39625), (1585, 15875), (3175, 7925)]