78125015

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{2309}}^1$

素因数の和:2482

約数の個数: 16

約数和(自身を含む): 96132960

約数和(自身を除く): 18007945

約数列:

[1, 5, 67, 101, 335, 505, 2309, 6767, 11545, 33835, 154703, 233209, 773515, 1166045, 15625003, 78125015]

約数ペア:

[(1, 78125015), (5, 15625003), (67, 1166045), (101, 773515), (335, 233209), (505, 154703), (2309, 33835), (6767, 11545)]