56550280

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{5501}}^1$

素因数の和:5769

約数の個数: 32

約数和(自身を含む): 127756440

約数和(自身を除く): 71206160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 5501, 10280, 11002, 22004, 27505, 44008, 55010, 110020, 220040, 1413757, 2827514, 5655028, 7068785, 11310056, 14137570, 28275140, 56550280]

約数ペア:

[(1, 56550280), (2, 28275140), (4, 14137570), (5, 11310056), (8, 7068785), (10, 5655028), (20, 2827514), (40, 1413757), (257, 220040), (514, 110020), (1028, 55010), (1285, 44008), (2056, 27505), (2570, 22004), (5140, 11002), (5501, 10280)]