42685960

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5417}}^1$

素因数の和:5625

約数の個数: 32

約数和(自身を含む): 96548760

約数和(自身を除く): 53862800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 5417, 7880, 10834, 21668, 27085, 43336, 54170, 108340, 216680, 1067149, 2134298, 4268596, 5335745, 8537192, 10671490, 21342980, 42685960]

約数ペア:

[(1, 42685960), (2, 21342980), (4, 10671490), (5, 8537192), (8, 5335745), (10, 4268596), (20, 2134298), (40, 1067149), (197, 216680), (394, 108340), (788, 54170), (985, 43336), (1576, 27085), (1970, 21668), (3940, 10834), (5417, 7880)]