7889724680

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{256493}}^1$

素因数の和:257273

約数の個数: 32

約数和(自身を含む): 17775034200

約数和(自身を除く): 9885309520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 1538, 3076, 3845, 6152, 7690, 15380, 30760, 256493, 512986, 1025972, 1282465, 2051944, 2564930, 5129860, 10259720, 197243117, 394486234, 788972468, 986215585, 1577944936, 1972431170, 3944862340, 7889724680]

約数ペア:

[(1, 7889724680), (2, 3944862340), (4, 1972431170), (5, 1577944936), (8, 986215585), (10, 788972468), (20, 394486234), (40, 197243117), (769, 10259720), (1538, 5129860), (3076, 2564930), (3845, 2051944), (6152, 1282465), (7690, 1025972), (15380, 512986), (30760, 256493)]