2912821640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{921779}}^1$

素因数の和:921869

約数の個数: 32

約数和(自身を含む): 6636816000

約数和(自身を除く): 3723994360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 921779, 1843558, 3687116, 4608895, 7374232, 9217790, 18435580, 36871160, 72820541, 145641082, 291282164, 364102705, 582564328, 728205410, 1456410820, 2912821640]

約数ペア:

[(1, 2912821640), (2, 1456410820), (4, 728205410), (5, 582564328), (8, 364102705), (10, 291282164), (20, 145641082), (40, 72820541), (79, 36871160), (158, 18435580), (316, 9217790), (395, 7374232), (632, 4608895), (790, 3687116), (1580, 1843558), (3160, 921779)]