84240140

素因数分解:

$2^2\times 5^1\times {\mathrm{1933}}^1\times {\mathrm{2179}}^1$

素因数の和:4121

約数の個数: 24

約数和(自身を含む): 177077040

約数和(自身を除く): 92836900

約数列:

[1, 2, 4, 5, 10, 20, 1933, 2179, 3866, 4358, 7732, 8716, 9665, 10895, 19330, 21790, 38660, 43580, 4212007, 8424014, 16848028, 21060035, 42120070, 84240140]

約数ペア:

[(1, 84240140), (2, 42120070), (4, 21060035), (5, 16848028), (10, 8424014), (20, 4212007), (1933, 43580), (2179, 38660), (3866, 21790), (4358, 19330), (7732, 10895), (8716, 9665)]