8431025

素因数分解:

$5^2\times {\mathrm{29}}^2\times {\mathrm{401}}^1$

素因数の和:469

約数の個数: 18

約数和(自身を含む): 10854402

約数和(自身を除く): 2423377

約数列:

[1, 5, 25, 29, 145, 401, 725, 841, 2005, 4205, 10025, 11629, 21025, 58145, 290725, 337241, 1686205, 8431025]

約数ペア:

[(1, 8431025), (5, 1686205), (25, 337241), (29, 290725), (145, 58145), (401, 21025), (725, 11629), (841, 10025), (2005, 4205)]