81036520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106627}}^1$

素因数の和:106657

約数の個数: 32

約数和(自身を含む): 191930400

約数和(自身を除く): 110893880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 106627, 213254, 426508, 533135, 853016, 1066270, 2025913, 2132540, 4051826, 4265080, 8103652, 10129565, 16207304, 20259130, 40518260, 81036520]

約数ペア:

[(1, 81036520), (2, 40518260), (4, 20259130), (5, 16207304), (8, 10129565), (10, 8103652), (19, 4265080), (20, 4051826), (38, 2132540), (40, 2025913), (76, 1066270), (95, 853016), (152, 533135), (190, 426508), (380, 213254), (760, 106627)]