256501050625

素因数分解:

$5^4\times {\mathrm{410401681}}^1$

素因数の和:410401701

約数の個数: 10

約数和(自身を含む): 320523713642

約数和(自身を除く): 64022663017

約数列:

[1, 5, 25, 125, 625, 410401681, 2052008405, 10260042025, 51300210125, 256501050625]

約数ペア:

[(1, 256501050625), (5, 51300210125), (25, 10260042025), (125, 2052008405), (625, 410401681)]