85000280

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{15511}}^1$

素因数の和:15659

約数の個数: 32

約数和(自身を含む): 192659040

約数和(自身を除く): 107658760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 15511, 31022, 62044, 77555, 124088, 155110, 310220, 620440, 2125007, 4250014, 8500028, 10625035, 17000056, 21250070, 42500140, 85000280]

約数ペア:

[(1, 85000280), (2, 42500140), (4, 21250070), (5, 17000056), (8, 10625035), (10, 8500028), (20, 4250014), (40, 2125007), (137, 620440), (274, 310220), (548, 155110), (685, 124088), (1096, 77555), (1370, 62044), (2740, 31022), (5480, 15511)]