27880580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15319}}^1$

素因数の和:15348

約数の個数: 48

約数和(自身を含む): 72065280

約数和(自身を除く): 44184700

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 15319, 30638, 61276, 76595, 107233, 153190, 199147, 214466, 306380, 398294, 428932, 536165, 796588, 995735, 1072330, 1394029, 1991470, 2144660, 2788058, 3982940, 5576116, 6970145, 13940290, 27880580]

約数ペア:

[(1, 27880580), (2, 13940290), (4, 6970145), (5, 5576116), (7, 3982940), (10, 2788058), (13, 2144660), (14, 1991470), (20, 1394029), (26, 1072330), (28, 995735), (35, 796588), (52, 536165), (65, 428932), (70, 398294), (91, 306380), (130, 214466), (140, 199147), (182, 153190), (260, 107233), (364, 76595), (455, 61276), (910, 30638), (1820, 15319)]