1279462040

素因数分解:

$2^3\times 5^1\times {\mathrm{2311}}^1\times {\mathrm{13841}}^1$

素因数の和:16163

約数の個数: 32

約数和(自身を含む): 2880243360

約数和(自身を除く): 1600781320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2311, 4622, 9244, 11555, 13841, 18488, 23110, 27682, 46220, 55364, 69205, 92440, 110728, 138410, 276820, 553640, 31986551, 63973102, 127946204, 159932755, 255892408, 319865510, 639731020, 1279462040]

約数ペア:

[(1, 1279462040), (2, 639731020), (4, 319865510), (5, 255892408), (8, 159932755), (10, 127946204), (20, 63973102), (40, 31986551), (2311, 553640), (4622, 276820), (9244, 138410), (11555, 110728), (13841, 92440), (18488, 69205), (23110, 55364), (27682, 46220)]