8081901580

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{661}}^1\times {\mathrm{2207}}^1$

素因数の和:3154

約数の個数: 48

約数和(自身を含む): 17066762496

約数和(自身を除く): 8984860916

約数列:

[1, 2, 4, 5, 10, 20, 277, 554, 661, 1108, 1322, 1385, 2207, 2644, 2770, 3305, 4414, 5540, 6610, 8828, 11035, 13220, 22070, 44140, 183097, 366194, 611339, 732388, 915485, 1222678, 1458827, 1830970, 2445356, 2917654, 3056695, 3661940, 5835308, 6113390, 7294135, 12226780, 14588270, 29176540, 404095079, 808190158, 1616380316, 2020475395, 4040950790, 8081901580]

約数ペア:

[(1, 8081901580), (2, 4040950790), (4, 2020475395), (5, 1616380316), (10, 808190158), (20, 404095079), (277, 29176540), (554, 14588270), (661, 12226780), (1108, 7294135), (1322, 6113390), (1385, 5835308), (2207, 3661940), (2644, 3056695), (2770, 2917654), (3305, 2445356), (4414, 1830970), (5540, 1458827), (6610, 1222678), (8828, 915485), (11035, 732388), (13220, 611339), (22070, 366194), (44140, 183097)]