25561136

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{22501}}^1$

素因数の和:22580

約数の個数: 20

約数和(自身を含む): 50224464

約数和(自身を除く): 24663328

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 22501, 45002, 90004, 180008, 360016, 1597571, 3195142, 6390284, 12780568, 25561136]

約数ペア:

[(1, 25561136), (2, 12780568), (4, 6390284), (8, 3195142), (16, 1597571), (71, 360016), (142, 180008), (284, 90004), (568, 45002), (1136, 22501)]