64795400

素因数分解:

$2^3\times 5^2\times {\mathrm{127}}^1\times {\mathrm{2551}}^1$

素因数の和:2694

約数の個数: 48

約数和(自身を含む): 151895040

約数和(自身を除く): 87099640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 127, 200, 254, 508, 635, 1016, 1270, 2540, 2551, 3175, 5080, 5102, 6350, 10204, 12700, 12755, 20408, 25400, 25510, 51020, 63775, 102040, 127550, 255100, 323977, 510200, 647954, 1295908, 1619885, 2591816, 3239770, 6479540, 8099425, 12959080, 16198850, 32397700, 64795400]

約数ペア:

[(1, 64795400), (2, 32397700), (4, 16198850), (5, 12959080), (8, 8099425), (10, 6479540), (20, 3239770), (25, 2591816), (40, 1619885), (50, 1295908), (100, 647954), (127, 510200), (200, 323977), (254, 255100), (508, 127550), (635, 102040), (1016, 63775), (1270, 51020), (2540, 25510), (2551, 25400), (3175, 20408), (5080, 12755), (5102, 12700), (6350, 10204)]