12580945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{167}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 17498880

約数和(自身を除く): 4917935

約数列:

[1, 5, 13, 19, 61, 65, 95, 167, 247, 305, 793, 835, 1159, 1235, 2171, 3173, 3965, 5795, 10187, 10855, 15067, 15865, 41249, 50935, 75335, 132431, 193553, 206245, 662155, 967765, 2516189, 12580945]

約数ペア:

[(1, 12580945), (5, 2516189), (13, 967765), (19, 662155), (61, 206245), (65, 193553), (95, 132431), (167, 75335), (247, 50935), (305, 41249), (793, 15865), (835, 15067), (1159, 10855), (1235, 10187), (2171, 5795), (3173, 3965)]