16847440

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1069}}^1$

素因数の和:1279

約数の個数: 40

約数和(自身を含む): 39405960

約数和(自身を除く): 22558520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1069, 1576, 1970, 2138, 3152, 3940, 4276, 5345, 7880, 8552, 10690, 15760, 17104, 21380, 42760, 85520, 210593, 421186, 842372, 1052965, 1684744, 2105930, 3369488, 4211860, 8423720, 16847440]

約数ペア:

[(1, 16847440), (2, 8423720), (4, 4211860), (5, 3369488), (8, 2105930), (10, 1684744), (16, 1052965), (20, 842372), (40, 421186), (80, 210593), (197, 85520), (394, 42760), (788, 21380), (985, 17104), (1069, 15760), (1576, 10690), (1970, 8552), (2138, 7880), (3152, 5345), (3940, 4276)]