80967275

素因数分解:

$5^2\times {\mathrm{29}}^2\times {\mathrm{3851}}^1$

素因数の和:3919

約数の個数: 18

約数和(自身を含む): 104007852

約数和(自身を除く): 23040577

約数列:

[1, 5, 25, 29, 145, 725, 841, 3851, 4205, 19255, 21025, 96275, 111679, 558395, 2791975, 3238691, 16193455, 80967275]

約数ペア:

[(1, 80967275), (5, 16193455), (25, 3238691), (29, 2791975), (145, 558395), (725, 111679), (841, 96275), (3851, 21025), (4205, 19255)]