138531520

素因数分解:

$2^6\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4463}}^1$

素因数の和:4577

約数の個数: 56

約数和(自身を含む): 333353664

約数和(自身を除く): 194822144

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, 4463, 6208, 7760, 8926, 15520, 17852, 22315, 31040, 35704, 44630, 71408, 89260, 142816, 178520, 285632, 357040, 432911, 714080, 865822, 1428160, 1731644, 2164555, 3463288, 4329110, 6926576, 8658220, 13853152, 17316440, 27706304, 34632880, 69265760, 138531520]

約数ペア:

[(1, 138531520), (2, 69265760), (4, 34632880), (5, 27706304), (8, 17316440), (10, 13853152), (16, 8658220), (20, 6926576), (32, 4329110), (40, 3463288), (64, 2164555), (80, 1731644), (97, 1428160), (160, 865822), (194, 714080), (320, 432911), (388, 357040), (485, 285632), (776, 178520), (970, 142816), (1552, 89260), (1940, 71408), (3104, 44630), (3880, 35704), (4463, 31040), (6208, 22315), (7760, 17852), (8926, 15520)]