254208025

素因数分解:

$5^2\times {\mathrm{809}}^1\times {\mathrm{12569}}^1$

素因数の和:13388

約数の個数: 12

約数和(自身を含む): 315632700

約数和(自身を除く): 61424675

約数列:

[1, 5, 25, 809, 4045, 12569, 20225, 62845, 314225, 10168321, 50841605, 254208025]

約数ペア:

[(1, 254208025), (5, 50841605), (25, 10168321), (809, 314225), (4045, 62845), (12569, 20225)]