16860520

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{3319}}^1$

素因数の和:3457

約数の個数: 32

約数和(自身を含む): 38246400

約数和(自身を除く): 21385880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 3319, 5080, 6638, 13276, 16595, 26552, 33190, 66380, 132760, 421513, 843026, 1686052, 2107565, 3372104, 4215130, 8430260, 16860520]

約数ペア:

[(1, 16860520), (2, 8430260), (4, 4215130), (5, 3372104), (8, 2107565), (10, 1686052), (20, 843026), (40, 421513), (127, 132760), (254, 66380), (508, 33190), (635, 26552), (1016, 16595), (1270, 13276), (2540, 6638), (3319, 5080)]