158641880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{4127}}^1$

素因数の和:4200

約数の個数: 48

約数和(自身を含む): 368919360

約数和(自身を除く): 210277480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1922, 3844, 4127, 4805, 7688, 8254, 9610, 16508, 19220, 20635, 33016, 38440, 41270, 82540, 127937, 165080, 255874, 511748, 639685, 1023496, 1279370, 2558740, 3966047, 5117480, 7932094, 15864188, 19830235, 31728376, 39660470, 79320940, 158641880]

約数ペア:

[(1, 158641880), (2, 79320940), (4, 39660470), (5, 31728376), (8, 19830235), (10, 15864188), (20, 7932094), (31, 5117480), (40, 3966047), (62, 2558740), (124, 1279370), (155, 1023496), (248, 639685), (310, 511748), (620, 255874), (961, 165080), (1240, 127937), (1922, 82540), (3844, 41270), (4127, 38440), (4805, 33016), (7688, 20635), (8254, 19220), (9610, 16508)]