12780568

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{22501}}^1$

素因数の和:22578

約数の個数: 16

約数和(自身を含む): 24302160

約数和(自身を除く): 11521592

約数列:

[1, 2, 4, 8, 71, 142, 284, 568, 22501, 45002, 90004, 180008, 1597571, 3195142, 6390284, 12780568]

約数ペア:

[(1, 12780568), (2, 6390284), (4, 3195142), (8, 1597571), (71, 180008), (142, 90004), (284, 45002), (568, 22501)]