55785940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{398471}}^1$

素因数の和:398487

約数の個数: 24

約数和(自身を含む): 133886592

約数和(自身を除く): 78100652

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 398471, 796942, 1593884, 1992355, 2789297, 3984710, 5578594, 7969420, 11157188, 13946485, 27892970, 55785940]

約数ペア:

[(1, 55785940), (2, 27892970), (4, 13946485), (5, 11157188), (7, 7969420), (10, 5578594), (14, 3984710), (20, 2789297), (28, 1992355), (35, 1593884), (70, 796942), (140, 398471)]