55720144

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{112339}}^1$

素因数の和:112378

約数の個数: 20

約数和(自身を含む): 111441280

約数和(自身を除く): 55721136

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 112339, 224678, 449356, 898712, 1797424, 3482509, 6965018, 13930036, 27860072, 55720144]

約数ペア:

[(1, 55720144), (2, 27860072), (4, 13930036), (8, 6965018), (16, 3482509), (31, 1797424), (62, 898712), (124, 449356), (248, 224678), (496, 112339)]