12461875

素因数分解:

$5^4\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:304

約数の個数: 20

約数和(自身を含む): 15794944

約数和(自身を除く): 3333069

約数列:

[1, 5, 25, 125, 127, 157, 625, 635, 785, 3175, 3925, 15875, 19625, 19939, 79375, 98125, 99695, 498475, 2492375, 12461875]

約数ペア:

[(1, 12461875), (5, 2492375), (25, 498475), (125, 99695), (127, 98125), (157, 79375), (625, 19939), (635, 19625), (785, 15875), (3175, 3925)]