2783135440

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{809051}}^1$

素因数の和:809107

約数の個数: 40

約数和(自身を含む): 6621281568

約数和(自身を除く): 3838146128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 809051, 1618102, 3236204, 4045255, 6472408, 8090510, 12944816, 16181020, 32362040, 34789193, 64724080, 69578386, 139156772, 173945965, 278313544, 347891930, 556627088, 695783860, 1391567720, 2783135440]

約数ペア:

[(1, 2783135440), (2, 1391567720), (4, 695783860), (5, 556627088), (8, 347891930), (10, 278313544), (16, 173945965), (20, 139156772), (40, 69578386), (43, 64724080), (80, 34789193), (86, 32362040), (172, 16181020), (215, 12944816), (344, 8090510), (430, 6472408), (688, 4045255), (860, 3236204), (1720, 1618102), (3440, 809051)]