56720144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{272693}}^1$

素因数の和:272714

約数の個数: 20

約数和(自身を含む): 118349196

約数和(自身を除く): 61629052

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 272693, 545386, 1090772, 2181544, 3545009, 4363088, 7090018, 14180036, 28360072, 56720144]

約数ペア:

[(1, 56720144), (2, 28360072), (4, 14180036), (8, 7090018), (13, 4363088), (16, 3545009), (26, 2181544), (52, 1090772), (104, 545386), (208, 272693)]