1285459520

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{41413}}^1$

素因数の和:41527

約数の個数: 56

約数和(自身を含む): 3092631864

約数和(自身を除く): 1807172344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 160, 194, 320, 388, 485, 776, 970, 1552, 1940, 3104, 3880, 6208, 7760, 15520, 31040, 41413, 82826, 165652, 207065, 331304, 414130, 662608, 828260, 1325216, 1656520, 2650432, 3313040, 4017061, 6626080, 8034122, 13252160, 16068244, 20085305, 32136488, 40170610, 64272976, 80341220, 128545952, 160682440, 257091904, 321364880, 642729760, 1285459520]

約数ペア:

[(1, 1285459520), (2, 642729760), (4, 321364880), (5, 257091904), (8, 160682440), (10, 128545952), (16, 80341220), (20, 64272976), (32, 40170610), (40, 32136488), (64, 20085305), (80, 16068244), (97, 13252160), (160, 8034122), (194, 6626080), (320, 4017061), (388, 3313040), (485, 2650432), (776, 1656520), (970, 1325216), (1552, 828260), (1940, 662608), (3104, 414130), (3880, 331304), (6208, 207065), (7760, 165652), (15520, 82826), (31040, 41413)]