142885520

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{13037}}^1$

素因数の和:13187

約数の個数: 40

約数和(自身を含む): 334659384

約数和(自身を除く): 191773864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 13037, 26074, 52148, 65185, 104296, 130370, 208592, 260740, 521480, 1042960, 1786069, 3572138, 7144276, 8930345, 14288552, 17860690, 28577104, 35721380, 71442760, 142885520]

約数ペア:

[(1, 142885520), (2, 71442760), (4, 35721380), (5, 28577104), (8, 17860690), (10, 14288552), (16, 8930345), (20, 7144276), (40, 3572138), (80, 1786069), (137, 1042960), (274, 521480), (548, 260740), (685, 208592), (1096, 130370), (1370, 104296), (2192, 65185), (2740, 52148), (5480, 26074), (10960, 13037)]