1520342840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{808693}}^1$

素因数の和:808751

約数の個数: 32

約数和(自身を含む): 3493558080

約数和(自身を除く): 1973215240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 808693, 1617386, 3234772, 4043465, 6469544, 8086930, 16173860, 32347720, 38008571, 76017142, 152034284, 190042855, 304068568, 380085710, 760171420, 1520342840]

約数ペア:

[(1, 1520342840), (2, 760171420), (4, 380085710), (5, 304068568), (8, 190042855), (10, 152034284), (20, 76017142), (40, 38008571), (47, 32347720), (94, 16173860), (188, 8086930), (235, 6469544), (376, 4043465), (470, 3234772), (940, 1617386), (1880, 808693)]