20131625168

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1\times {\mathrm{739}}^1$

素因数の和:1236

約数の個数: 80

約数和(自身を含む): 40443036480

約数和(自身を除く): 20311411312

約数列:

[1, 2, 4, 8, 16, 41, 82, 131, 164, 262, 317, 328, 524, 634, 656, 739, 1048, 1268, 1478, 2096, 2536, 2956, 5072, 5371, 5912, 10742, 11824, 12997, 21484, 25994, 30299, 41527, 42968, 51988, 60598, 83054, 85936, 96809, 103976, 121196, 166108, 193618, 207952, 234263, 242392, 332216, 387236, 468526, 484784, 664432, 774472, 937052, 1548944, 1702607, 1874104, 3405214, 3748208, 3969169, 6810428, 7938338, 9604783, 13620856, 15876676, 19209566, 27241712, 30688453, 31753352, 38419132, 61376906, 63506704, 76838264, 122753812, 153676528, 245507624, 491015248, 1258226573, 2516453146, 5032906292, 10065812584, 20131625168]

約数ペア:

[(1, 20131625168), (2, 10065812584), (4, 5032906292), (8, 2516453146), (16, 1258226573), (41, 491015248), (82, 245507624), (131, 153676528), (164, 122753812), (262, 76838264), (317, 63506704), (328, 61376906), (524, 38419132), (634, 31753352), (656, 30688453), (739, 27241712), (1048, 19209566), (1268, 15876676), (1478, 13620856), (2096, 9604783), (2536, 7938338), (2956, 6810428), (5072, 3969169), (5371, 3748208), (5912, 3405214), (10742, 1874104), (11824, 1702607), (12997, 1548944), (21484, 937052), (25994, 774472), (30299, 664432), (41527, 484784), (42968, 468526), (51988, 387236), (60598, 332216), (83054, 242392), (85936, 234263), (96809, 207952), (103976, 193618), (121196, 166108)]