25136440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{839}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 65318400

約数和(自身を除く): 40181960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 107, 140, 214, 280, 428, 535, 749, 839, 856, 1070, 1498, 1678, 2140, 2996, 3356, 3745, 4195, 4280, 5873, 5992, 6712, 7490, 8390, 11746, 14980, 16780, 23492, 29365, 29960, 33560, 46984, 58730, 89773, 117460, 179546, 234920, 359092, 448865, 628411, 718184, 897730, 1256822, 1795460, 2513644, 3142055, 3590920, 5027288, 6284110, 12568220, 25136440]

約数ペア:

[(1, 25136440), (2, 12568220), (4, 6284110), (5, 5027288), (7, 3590920), (8, 3142055), (10, 2513644), (14, 1795460), (20, 1256822), (28, 897730), (35, 718184), (40, 628411), (56, 448865), (70, 359092), (107, 234920), (140, 179546), (214, 117460), (280, 89773), (428, 58730), (535, 46984), (749, 33560), (839, 29960), (856, 29365), (1070, 23492), (1498, 16780), (1678, 14980), (2140, 11746), (2996, 8390), (3356, 7490), (3745, 6712), (4195, 5992), (4280, 5873)]