55218940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20759}}^1$

素因数の和:20794

約数の個数: 48

約数和(自身を含む): 139507200

約数和(自身を除く): 84288260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 20759, 41518, 83036, 103795, 145313, 207590, 290626, 394421, 415180, 581252, 726565, 788842, 1453130, 1577684, 1972105, 2760947, 2906260, 3944210, 5521894, 7888420, 11043788, 13804735, 27609470, 55218940]

約数ペア:

[(1, 55218940), (2, 27609470), (4, 13804735), (5, 11043788), (7, 7888420), (10, 5521894), (14, 3944210), (19, 2906260), (20, 2760947), (28, 1972105), (35, 1577684), (38, 1453130), (70, 788842), (76, 726565), (95, 581252), (133, 415180), (140, 394421), (190, 290626), (266, 207590), (380, 145313), (532, 103795), (665, 83036), (1330, 41518), (2660, 20759)]