55656440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1009}}^1$

素因数の和:1224

約数の個数: 64

約数和(自身を含む): 143985600

約数和(自身を除く): 88329160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1009, 1379, 1576, 1970, 2018, 2758, 3940, 4036, 5045, 5516, 6895, 7063, 7880, 8072, 10090, 11032, 13790, 14126, 20180, 27580, 28252, 35315, 40360, 55160, 56504, 70630, 141260, 198773, 282520, 397546, 795092, 993865, 1391411, 1590184, 1987730, 2782822, 3975460, 5565644, 6957055, 7950920, 11131288, 13914110, 27828220, 55656440]

約数ペア:

[(1, 55656440), (2, 27828220), (4, 13914110), (5, 11131288), (7, 7950920), (8, 6957055), (10, 5565644), (14, 3975460), (20, 2782822), (28, 1987730), (35, 1590184), (40, 1391411), (56, 993865), (70, 795092), (140, 397546), (197, 282520), (280, 198773), (394, 141260), (788, 70630), (985, 56504), (1009, 55160), (1379, 40360), (1576, 35315), (1970, 28252), (2018, 27580), (2758, 20180), (3940, 14126), (4036, 13790), (5045, 11032), (5516, 10090), (6895, 8072), (7063, 7880)]