7994260

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2029}}^1$

素因数の和:2235

約数の個数: 24

約数和(自身を含む): 16881480

約数和(自身を除く): 8887220

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 2029, 3940, 4058, 8116, 10145, 20290, 40580, 399713, 799426, 1598852, 1998565, 3997130, 7994260]

約数ペア:

[(1, 7994260), (2, 3997130), (4, 1998565), (5, 1598852), (10, 799426), (20, 399713), (197, 40580), (394, 20290), (788, 10145), (985, 8116), (1970, 4058), (2029, 3940)]