203437480

素因数分解:

$2^3\times 5^1\times {\mathrm{313}}^1\times {\mathrm{16249}}^1$

素因数の和:16573

約数の個数: 32

約数和(自身を含む): 459225000

約数和(自身を除く): 255787520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 313, 626, 1252, 1565, 2504, 3130, 6260, 12520, 16249, 32498, 64996, 81245, 129992, 162490, 324980, 649960, 5085937, 10171874, 20343748, 25429685, 40687496, 50859370, 101718740, 203437480]

約数ペア:

[(1, 203437480), (2, 101718740), (4, 50859370), (5, 40687496), (8, 25429685), (10, 20343748), (20, 10171874), (40, 5085937), (313, 649960), (626, 324980), (1252, 162490), (1565, 129992), (2504, 81245), (3130, 64996), (6260, 32498), (12520, 16249)]