51489260

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{761}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 115214400

約数和(自身を除く): 63725140

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 340, 398, 761, 796, 995, 1522, 1990, 3044, 3383, 3805, 3980, 6766, 7610, 12937, 13532, 15220, 16915, 25874, 33830, 51748, 64685, 67660, 129370, 151439, 258740, 302878, 605756, 757195, 1514390, 2574463, 3028780, 5148926, 10297852, 12872315, 25744630, 51489260]

約数ペア:

[(1, 51489260), (2, 25744630), (4, 12872315), (5, 10297852), (10, 5148926), (17, 3028780), (20, 2574463), (34, 1514390), (68, 757195), (85, 605756), (170, 302878), (199, 258740), (340, 151439), (398, 129370), (761, 67660), (796, 64685), (995, 51748), (1522, 33830), (1990, 25874), (3044, 16915), (3383, 15220), (3805, 13532), (3980, 12937), (6766, 7610)]