55408280

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{10111}}^1$

素因数の和:10259

約数の個数: 32

約数和(自身を含む): 125591040

約数和(自身を除く): 70182760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 10111, 20222, 40444, 50555, 80888, 101110, 202220, 404440, 1385207, 2770414, 5540828, 6926035, 11081656, 13852070, 27704140, 55408280]

約数ペア:

[(1, 55408280), (2, 27704140), (4, 13852070), (5, 11081656), (8, 6926035), (10, 5540828), (20, 2770414), (40, 1385207), (137, 404440), (274, 202220), (548, 101110), (685, 80888), (1096, 50555), (1370, 40444), (2740, 20222), (5480, 10111)]