38979440

素因数分解:

$2^4\times 5^1\times {\mathrm{277}}^1\times {\mathrm{1759}}^1$

素因数の和:2049

約数の個数: 40

約数和(自身を含む): 91006080

約数和(自身を除く): 52026640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 277, 554, 1108, 1385, 1759, 2216, 2770, 3518, 4432, 5540, 7036, 8795, 11080, 14072, 17590, 22160, 28144, 35180, 70360, 140720, 487243, 974486, 1948972, 2436215, 3897944, 4872430, 7795888, 9744860, 19489720, 38979440]

約数ペア:

[(1, 38979440), (2, 19489720), (4, 9744860), (5, 7795888), (8, 4872430), (10, 3897944), (16, 2436215), (20, 1948972), (40, 974486), (80, 487243), (277, 140720), (554, 70360), (1108, 35180), (1385, 28144), (1759, 22160), (2216, 17590), (2770, 14072), (3518, 11080), (4432, 8795), (5540, 7036)]