12720227515

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{804823}}^1$

素因数の和:804966

約数の個数: 16

約数和(自身を含む): 15935515200

約数和(自身を除く): 3215287685

約数列:

[1, 5, 29, 109, 145, 545, 3161, 15805, 804823, 4024115, 23339867, 87725707, 116699335, 438628535, 2544045503, 12720227515]

約数ペア:

[(1, 12720227515), (5, 2544045503), (29, 438628535), (109, 116699335), (145, 87725707), (545, 23339867), (3161, 4024115), (15805, 804823)]