2051250040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{252617}}^1$

素因数の和:252664

約数の個数: 64

約数和(自身を含む): 5456548800

約数和(自身を除く): 3405298760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 4060, 8120, 252617, 505234, 1010468, 1263085, 1768319, 2020936, 2526170, 3536638, 5052340, 7073276, 7325893, 8841595, 10104680, 14146552, 14651786, 17683190, 29303572, 35366380, 36629465, 51281251, 58607144, 70732760, 73258930, 102562502, 146517860, 205125004, 256406255, 293035720, 410250008, 512812510, 1025625020, 2051250040]

約数ペア:

[(1, 2051250040), (2, 1025625020), (4, 512812510), (5, 410250008), (7, 293035720), (8, 256406255), (10, 205125004), (14, 146517860), (20, 102562502), (28, 73258930), (29, 70732760), (35, 58607144), (40, 51281251), (56, 36629465), (58, 35366380), (70, 29303572), (116, 17683190), (140, 14651786), (145, 14146552), (203, 10104680), (232, 8841595), (280, 7325893), (290, 7073276), (406, 5052340), (580, 3536638), (812, 2526170), (1015, 2020936), (1160, 1768319), (1624, 1263085), (2030, 1010468), (4060, 505234), (8120, 252617)]