4640425

素因数分解:

$5^2\times {\mathrm{419}}^1\times {\mathrm{443}}^1$

素因数の和:872

約数の個数: 12

約数和(自身を含む): 5780880

約数和(自身を除く): 1140455

約数列:

[1, 5, 25, 419, 443, 2095, 2215, 10475, 11075, 185617, 928085, 4640425]

約数ペア:

[(1, 4640425), (5, 928085), (25, 185617), (419, 11075), (443, 10475), (2095, 2215)]