25297025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{281}}^1$

素因数の和:581

約数の個数: 24

約数和(自身を含む): 34023864

約数和(自身を除く): 8726839

約数列:

[1, 5, 13, 25, 65, 277, 281, 325, 1385, 1405, 3601, 3653, 6925, 7025, 18005, 18265, 77837, 90025, 91325, 389185, 1011881, 1945925, 5059405, 25297025]

約数ペア:

[(1, 25297025), (5, 5059405), (13, 1945925), (25, 1011881), (65, 389185), (277, 91325), (281, 90025), (325, 77837), (1385, 18265), (1405, 18005), (3601, 7025), (3653, 6925)]