39240520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{883}}^1$

素因数の和:1006

約数の個数: 64

約数和(自身を含む): 97381440

約数和(自身を除く): 58140920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 883, 1010, 1111, 1766, 2020, 2222, 3532, 4040, 4415, 4444, 5555, 7064, 8830, 8888, 9713, 11110, 17660, 19426, 22220, 35320, 38852, 44440, 48565, 77704, 89183, 97130, 178366, 194260, 356732, 388520, 445915, 713464, 891830, 981013, 1783660, 1962026, 3567320, 3924052, 4905065, 7848104, 9810130, 19620260, 39240520]

約数ペア:

[(1, 39240520), (2, 19620260), (4, 9810130), (5, 7848104), (8, 4905065), (10, 3924052), (11, 3567320), (20, 1962026), (22, 1783660), (40, 981013), (44, 891830), (55, 713464), (88, 445915), (101, 388520), (110, 356732), (202, 194260), (220, 178366), (404, 97130), (440, 89183), (505, 77704), (808, 48565), (883, 44440), (1010, 38852), (1111, 35320), (1766, 22220), (2020, 19426), (2222, 17660), (3532, 11110), (4040, 9713), (4415, 8888), (4444, 8830), (5555, 7064)]