25448920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{937}}^1$

素因数の和:1052

約数の個数: 64

約数和(自身を含む): 66185280

約数和(自身を除く): 40736360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 937, 970, 1358, 1874, 1940, 2716, 3395, 3748, 3880, 4685, 5432, 6559, 6790, 7496, 9370, 13118, 13580, 18740, 26236, 27160, 32795, 37480, 52472, 65590, 90889, 131180, 181778, 262360, 363556, 454445, 636223, 727112, 908890, 1272446, 1817780, 2544892, 3181115, 3635560, 5089784, 6362230, 12724460, 25448920]

約数ペア:

[(1, 25448920), (2, 12724460), (4, 6362230), (5, 5089784), (7, 3635560), (8, 3181115), (10, 2544892), (14, 1817780), (20, 1272446), (28, 908890), (35, 727112), (40, 636223), (56, 454445), (70, 363556), (97, 262360), (140, 181778), (194, 131180), (280, 90889), (388, 65590), (485, 52472), (679, 37480), (776, 32795), (937, 27160), (970, 26236), (1358, 18740), (1874, 13580), (1940, 13118), (2716, 9370), (3395, 7496), (3748, 6790), (3880, 6559), (4685, 5432)]