4881880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{127}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 11439360

約数和(自身を除く): 6557480

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 127, 155, 248, 254, 310, 508, 620, 635, 961, 1016, 1240, 1270, 1922, 2540, 3844, 3937, 4805, 5080, 7688, 7874, 9610, 15748, 19220, 19685, 31496, 38440, 39370, 78740, 122047, 157480, 244094, 488188, 610235, 976376, 1220470, 2440940, 4881880]

約数ペア:

[(1, 4881880), (2, 2440940), (4, 1220470), (5, 976376), (8, 610235), (10, 488188), (20, 244094), (31, 157480), (40, 122047), (62, 78740), (124, 39370), (127, 38440), (155, 31496), (248, 19685), (254, 19220), (310, 15748), (508, 9610), (620, 7874), (635, 7688), (961, 5080), (1016, 4805), (1240, 3937), (1270, 3844), (1922, 2540)]