55180580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30319}}^1$

素因数の和:30348

約数の個数: 48

約数和(自身を含む): 142625280

約数和(自身を除く): 87444700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 30319, 60638, 121276, 151595, 212233, 303190, 394147, 424466, 606380, 788294, 848932, 1061165, 1576588, 1970735, 2122330, 2759029, 3941470, 4244660, 5518058, 7882940, 11036116, 13795145, 27590290, 55180580]

約数ペア:

[(1, 55180580), (2, 27590290), (4, 13795145), (5, 11036116), (7, 7882940), (10, 5518058), (13, 4244660), (14, 3941470), (20, 2759029), (26, 2122330), (28, 1970735), (35, 1576588), (52, 1061165), (65, 848932), (70, 788294), (91, 606380), (130, 424466), (140, 394147), (182, 303190), (260, 212233), (364, 151595), (455, 121276), (910, 60638), (1820, 30319)]