25612440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{30491}}^1$

素因数の和:30512

約数の個数: 64

約数和(自身を含む): 87816960

約数和(自身を除く): 62204520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 30491, 60982, 91473, 121964, 152455, 182946, 213437, 243928, 304910, 365892, 426874, 457365, 609820, 640311, 731784, 853748, 914730, 1067185, 1219640, 1280622, 1707496, 1829460, 2134370, 2561244, 3201555, 3658920, 4268740, 5122488, 6403110, 8537480, 12806220, 25612440]

約数ペア:

[(1, 25612440), (2, 12806220), (3, 8537480), (4, 6403110), (5, 5122488), (6, 4268740), (7, 3658920), (8, 3201555), (10, 2561244), (12, 2134370), (14, 1829460), (15, 1707496), (20, 1280622), (21, 1219640), (24, 1067185), (28, 914730), (30, 853748), (35, 731784), (40, 640311), (42, 609820), (56, 457365), (60, 426874), (70, 365892), (84, 304910), (105, 243928), (120, 213437), (140, 182946), (168, 152455), (210, 121964), (280, 91473), (420, 60982), (840, 30491)]