39954520

素因数分解:

$2^3\times 5^1\times {\mathrm{853}}^1\times {\mathrm{1171}}^1$

素因数の和:2035

約数の個数: 32

約数和(自身を含む): 90079920

約数和(自身を除く): 50125400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 853, 1171, 1706, 2342, 3412, 4265, 4684, 5855, 6824, 8530, 9368, 11710, 17060, 23420, 34120, 46840, 998863, 1997726, 3995452, 4994315, 7990904, 9988630, 19977260, 39954520]

約数ペア:

[(1, 39954520), (2, 19977260), (4, 9988630), (5, 7990904), (8, 4994315), (10, 3995452), (20, 1997726), (40, 998863), (853, 46840), (1171, 34120), (1706, 23420), (2342, 17060), (3412, 11710), (4265, 9368), (4684, 8530), (5855, 6824)]