42505280

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{6991}}^1$

素因数の和:7027

約数の個数: 56

約数和(自身を含む): 106558080

約数和(自身を除く): 64052800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 380, 608, 760, 1216, 1520, 3040, 6080, 6991, 13982, 27964, 34955, 55928, 69910, 111856, 132829, 139820, 223712, 265658, 279640, 447424, 531316, 559280, 664145, 1062632, 1118560, 1328290, 2125264, 2237120, 2656580, 4250528, 5313160, 8501056, 10626320, 21252640, 42505280]

約数ペア:

[(1, 42505280), (2, 21252640), (4, 10626320), (5, 8501056), (8, 5313160), (10, 4250528), (16, 2656580), (19, 2237120), (20, 2125264), (32, 1328290), (38, 1118560), (40, 1062632), (64, 664145), (76, 559280), (80, 531316), (95, 447424), (152, 279640), (160, 265658), (190, 223712), (304, 139820), (320, 132829), (380, 111856), (608, 69910), (760, 55928), (1216, 34955), (1520, 27964), (3040, 13982), (6080, 6991)]