25780656

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:490

約数の個数: 80

約数和(自身を含む): 73352448

約数和(自身を除く): 47571792

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 157, 176, 264, 311, 314, 471, 528, 622, 628, 933, 942, 1244, 1256, 1727, 1866, 1884, 2488, 2512, 3421, 3454, 3732, 3768, 4976, 5181, 6842, 6908, 7464, 7536, 10263, 10362, 13684, 13816, 14928, 20526, 20724, 27368, 27632, 41052, 41448, 48827, 54736, 82104, 82896, 97654, 146481, 164208, 195308, 292962, 390616, 537097, 585924, 781232, 1074194, 1171848, 1611291, 2148388, 2343696, 3222582, 4296776, 6445164, 8593552, 12890328, 25780656]

約数ペア:

[(1, 25780656), (2, 12890328), (3, 8593552), (4, 6445164), (6, 4296776), (8, 3222582), (11, 2343696), (12, 2148388), (16, 1611291), (22, 1171848), (24, 1074194), (33, 781232), (44, 585924), (48, 537097), (66, 390616), (88, 292962), (132, 195308), (157, 164208), (176, 146481), (264, 97654), (311, 82896), (314, 82104), (471, 54736), (528, 48827), (622, 41448), (628, 41052), (933, 27632), (942, 27368), (1244, 20724), (1256, 20526), (1727, 14928), (1866, 13816), (1884, 13684), (2488, 10362), (2512, 10263), (3421, 7536), (3454, 7464), (3732, 6908), (3768, 6842), (4976, 5181)]