9966875

素因数分解:

$5^4\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:488

約数の個数: 20

約数和(自身を含む): 12820896

約数和(自身を除く): 2854021

約数列:

[1, 5, 25, 37, 125, 185, 431, 625, 925, 2155, 4625, 10775, 15947, 23125, 53875, 79735, 269375, 398675, 1993375, 9966875]

約数ペア:

[(1, 9966875), (5, 1993375), (25, 398675), (37, 269375), (125, 79735), (185, 53875), (431, 23125), (625, 15947), (925, 10775), (2155, 4625)]