8663125

素因数分解:

$5^4\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:270

約数の個数: 20

約数和(自身を含む): 11021472

約数和(自身を除く): 2358347

約数列:

[1, 5, 25, 83, 125, 167, 415, 625, 835, 2075, 4175, 10375, 13861, 20875, 51875, 69305, 104375, 346525, 1732625, 8663125]

約数ペア:

[(1, 8663125), (5, 1732625), (25, 346525), (83, 104375), (125, 69305), (167, 51875), (415, 20875), (625, 13861), (835, 10375), (2075, 4175)]