12005275

素因数分解:

$5^2\times {\mathrm{29}}^2\times {\mathrm{571}}^1$

素因数の和:639

約数の個数: 18

約数和(自身を含む): 15444572

約数和(自身を除く): 3439297

約数列:

[1, 5, 25, 29, 145, 571, 725, 841, 2855, 4205, 14275, 16559, 21025, 82795, 413975, 480211, 2401055, 12005275]

約数ペア:

[(1, 12005275), (5, 2401055), (25, 480211), (29, 413975), (145, 82795), (571, 21025), (725, 16559), (841, 14275), (2855, 4205)]