28906040

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{24919}}^1$

素因数の和:24959

約数の個数: 32

約数和(自身を含む): 67284000

約数和(自身を除く): 38377960

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 24919, 49838, 99676, 124595, 199352, 249190, 498380, 722651, 996760, 1445302, 2890604, 3613255, 5781208, 7226510, 14453020, 28906040]

約数ペア:

[(1, 28906040), (2, 14453020), (4, 7226510), (5, 5781208), (8, 3613255), (10, 2890604), (20, 1445302), (29, 996760), (40, 722651), (58, 498380), (116, 249190), (145, 199352), (232, 124595), (290, 99676), (580, 49838), (1160, 24919)]