25720728

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{521}}^1$

素因数の和:569

約数の個数: 96

約数和(自身を含む): 74980080

約数和(自身を除く): 49259352

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 121, 132, 136, 187, 204, 242, 264, 363, 374, 408, 484, 521, 561, 726, 748, 968, 1042, 1122, 1452, 1496, 1563, 2057, 2084, 2244, 2904, 3126, 4114, 4168, 4488, 5731, 6171, 6252, 8228, 8857, 11462, 12342, 12504, 16456, 17193, 17714, 22924, 24684, 26571, 34386, 35428, 45848, 49368, 53142, 63041, 68772, 70856, 97427, 106284, 126082, 137544, 189123, 194854, 212568, 252164, 292281, 378246, 389708, 504328, 584562, 756492, 779416, 1071697, 1169124, 1512984, 2143394, 2338248, 3215091, 4286788, 6430182, 8573576, 12860364, 25720728]

約数ペア:

[(1, 25720728), (2, 12860364), (3, 8573576), (4, 6430182), (6, 4286788), (8, 3215091), (11, 2338248), (12, 2143394), (17, 1512984), (22, 1169124), (24, 1071697), (33, 779416), (34, 756492), (44, 584562), (51, 504328), (66, 389708), (68, 378246), (88, 292281), (102, 252164), (121, 212568), (132, 194854), (136, 189123), (187, 137544), (204, 126082), (242, 106284), (264, 97427), (363, 70856), (374, 68772), (408, 63041), (484, 53142), (521, 49368), (561, 45848), (726, 35428), (748, 34386), (968, 26571), (1042, 24684), (1122, 22924), (1452, 17714), (1496, 17193), (1563, 16456), (2057, 12504), (2084, 12342), (2244, 11462), (2904, 8857), (3126, 8228), (4114, 6252), (4168, 6171), (4488, 5731)]