80701925

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{709}}^1$

素因数の和:905

約数の個数: 24

約数和(自身を含む): 104327400

約数和(自身を除く): 23625475

約数列:

[1, 5, 25, 29, 145, 157, 709, 725, 785, 3545, 3925, 4553, 17725, 20561, 22765, 102805, 111313, 113825, 514025, 556565, 2782825, 3228077, 16140385, 80701925]

約数ペア:

[(1, 80701925), (5, 16140385), (25, 3228077), (29, 2782825), (145, 556565), (157, 514025), (709, 113825), (725, 111313), (785, 102805), (3545, 22765), (3925, 20561), (4553, 17725)]