3838857520

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{345221}}^1$

素因数の和:345373

約数の個数: 40

約数和(自身を含む): 8989580880

約数和(自身を除く): 5150723360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 345221, 690442, 1380884, 1726105, 2761768, 3452210, 5523536, 6904420, 13808840, 27617680, 47985719, 95971438, 191942876, 239928595, 383885752, 479857190, 767771504, 959714380, 1919428760, 3838857520]

約数ペア:

[(1, 3838857520), (2, 1919428760), (4, 959714380), (5, 767771504), (8, 479857190), (10, 383885752), (16, 239928595), (20, 191942876), (40, 95971438), (80, 47985719), (139, 27617680), (278, 13808840), (556, 6904420), (695, 5523536), (1112, 3452210), (1390, 2761768), (2224, 1726105), (2780, 1380884), (5560, 690442), (11120, 345221)]