25152008

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 56544000

約数和(自身を除く): 31391992

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 61, 74, 122, 148, 199, 244, 259, 296, 398, 427, 488, 518, 796, 854, 1036, 1393, 1592, 1708, 2072, 2257, 2786, 3416, 4514, 5572, 7363, 9028, 11144, 12139, 14726, 15799, 18056, 24278, 29452, 31598, 48556, 51541, 58904, 63196, 84973, 97112, 103082, 126392, 169946, 206164, 339892, 412328, 449143, 679784, 898286, 1796572, 3144001, 3593144, 6288002, 12576004, 25152008]

約数ペア:

[(1, 25152008), (2, 12576004), (4, 6288002), (7, 3593144), (8, 3144001), (14, 1796572), (28, 898286), (37, 679784), (56, 449143), (61, 412328), (74, 339892), (122, 206164), (148, 169946), (199, 126392), (244, 103082), (259, 97112), (296, 84973), (398, 63196), (427, 58904), (488, 51541), (518, 48556), (796, 31598), (854, 29452), (1036, 24278), (1393, 18056), (1592, 15799), (1708, 14726), (2072, 12139), (2257, 11144), (2786, 9028), (3416, 7363), (4514, 5572)]