8045205580

素因数分解:

$2^2\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{387161}}^1$

素因数の和:388209

約数の個数: 24

約数和(自身を含む): 16911236160

約数和(自身を除く): 8866030580

約数列:

[1, 2, 4, 5, 10, 20, 1039, 2078, 4156, 5195, 10390, 20780, 387161, 774322, 1548644, 1935805, 3871610, 7743220, 402260279, 804520558, 1609041116, 2011301395, 4022602790, 8045205580]

約数ペア:

[(1, 8045205580), (2, 4022602790), (4, 2011301395), (5, 1609041116), (10, 804520558), (20, 402260279), (1039, 7743220), (2078, 3871610), (4156, 1935805), (5195, 1548644), (10390, 774322), (20780, 387161)]