85172120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{193573}}^1$

素因数の和:193595

約数の個数: 32

約数和(自身を含む): 209059920

約数和(自身を除く): 123887800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 193573, 387146, 774292, 967865, 1548584, 1935730, 2129303, 3871460, 4258606, 7742920, 8517212, 10646515, 17034424, 21293030, 42586060, 85172120]

約数ペア:

[(1, 85172120), (2, 42586060), (4, 21293030), (5, 17034424), (8, 10646515), (10, 8517212), (11, 7742920), (20, 4258606), (22, 3871460), (40, 2129303), (44, 1935730), (55, 1548584), (88, 967865), (110, 774292), (220, 387146), (440, 193573)]