54007940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{385771}}^1$

素因数の和:385787

約数の個数: 24

約数和(自身を含む): 129619392

約数和(自身を除く): 75611452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 385771, 771542, 1543084, 1928855, 2700397, 3857710, 5400794, 7715420, 10801588, 13501985, 27003970, 54007940]

約数ペア:

[(1, 54007940), (2, 27003970), (4, 13501985), (5, 10801588), (7, 7715420), (10, 5400794), (14, 3857710), (20, 2700397), (28, 1928855), (35, 1543084), (70, 771542), (140, 385771)]