57721940

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{14503}}^1$

素因数の和:14711

約数の個数: 24

約数和(自身を含む): 121833600

約数和(自身を除く): 64111660

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 14503, 29006, 58012, 72515, 145030, 290060, 2886097, 5772194, 11544388, 14430485, 28860970, 57721940]

約数ペア:

[(1, 57721940), (2, 28860970), (4, 14430485), (5, 11544388), (10, 5772194), (20, 2886097), (199, 290060), (398, 145030), (796, 72515), (995, 58012), (1990, 29006), (3980, 14503)]