39742880

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1787}}^1$

素因数の和:1941

約数の個数: 48

約数和(自身を含む): 94620960

約数和(自身を除く): 54878080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 1112, 1390, 1787, 2224, 2780, 3574, 4448, 5560, 7148, 8935, 11120, 14296, 17870, 22240, 28592, 35740, 57184, 71480, 142960, 248393, 285920, 496786, 993572, 1241965, 1987144, 2483930, 3974288, 4967860, 7948576, 9935720, 19871440, 39742880]

約数ペア:

[(1, 39742880), (2, 19871440), (4, 9935720), (5, 7948576), (8, 4967860), (10, 3974288), (16, 2483930), (20, 1987144), (32, 1241965), (40, 993572), (80, 496786), (139, 285920), (160, 248393), (278, 142960), (556, 71480), (695, 57184), (1112, 35740), (1390, 28592), (1787, 22240), (2224, 17870), (2780, 14296), (3574, 11120), (4448, 8935), (5560, 7148)]