55178140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{88997}}^1$

素因数の和:89037

約数の個数: 24

約数和(自身を含む): 119613312

約数和(自身を除く): 64435172

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 88997, 177994, 355988, 444985, 889970, 1779940, 2758907, 5517814, 11035628, 13794535, 27589070, 55178140]

約数ペア:

[(1, 55178140), (2, 27589070), (4, 13794535), (5, 11035628), (10, 5517814), (20, 2758907), (31, 1779940), (62, 889970), (124, 444985), (155, 355988), (310, 177994), (620, 88997)]