7923340

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2011}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 16731792

約数和(自身を除く): 8808452

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 2011, 3940, 4022, 8044, 10055, 20110, 40220, 396167, 792334, 1584668, 1980835, 3961670, 7923340]

約数ペア:

[(1, 7923340), (2, 3961670), (4, 1980835), (5, 1584668), (10, 792334), (20, 396167), (197, 40220), (394, 20110), (788, 10055), (985, 8044), (1970, 4022), (2011, 3940)]