26657960

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 128

約数和(自身を含む): 73440000

約数和(自身を除く): 46782040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 49, 56, 58, 67, 70, 98, 116, 134, 140, 145, 196, 203, 232, 245, 268, 280, 290, 335, 343, 392, 406, 469, 490, 536, 580, 670, 686, 812, 938, 980, 1015, 1160, 1340, 1372, 1421, 1624, 1715, 1876, 1943, 1960, 2030, 2345, 2680, 2744, 2842, 3283, 3430, 3752, 3886, 4060, 4690, 5684, 6566, 6860, 7105, 7772, 8120, 9380, 9715, 9947, 11368, 13132, 13601, 13720, 14210, 15544, 16415, 18760, 19430, 19894, 22981, 26264, 27202, 28420, 32830, 38860, 39788, 45962, 49735, 54404, 56840, 65660, 68005, 77720, 79576, 91924, 95207, 99470, 108808, 114905, 131320, 136010, 183848, 190414, 198940, 229810, 272020, 380828, 397880, 459620, 476035, 544040, 666449, 761656, 919240, 952070, 1332898, 1904140, 2665796, 3332245, 3808280, 5331592, 6664490, 13328980, 26657960]

約数ペア:

[(1, 26657960), (2, 13328980), (4, 6664490), (5, 5331592), (7, 3808280), (8, 3332245), (10, 2665796), (14, 1904140), (20, 1332898), (28, 952070), (29, 919240), (35, 761656), (40, 666449), (49, 544040), (56, 476035), (58, 459620), (67, 397880), (70, 380828), (98, 272020), (116, 229810), (134, 198940), (140, 190414), (145, 183848), (196, 136010), (203, 131320), (232, 114905), (245, 108808), (268, 99470), (280, 95207), (290, 91924), (335, 79576), (343, 77720), (392, 68005), (406, 65660), (469, 56840), (490, 54404), (536, 49735), (580, 45962), (670, 39788), (686, 38860), (812, 32830), (938, 28420), (980, 27202), (1015, 26264), (1160, 22981), (1340, 19894), (1372, 19430), (1421, 18760), (1624, 16415), (1715, 15544), (1876, 14210), (1943, 13720), (1960, 13601), (2030, 13132), (2345, 11368), (2680, 9947), (2744, 9715), (2842, 9380), (3283, 8120), (3430, 7772), (3752, 7105), (3886, 6860), (4060, 6566), (4690, 5684)]