4225840720

素因数分解:

$2^4\times 5^1\times {\mathrm{257}}^1\times {\mathrm{205537}}^1$

素因数の和:205807

約数の個数: 40

約数和(自身を含む): 9863357544

約数和(自身を除く): 5637516824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 257, 514, 1028, 1285, 2056, 2570, 4112, 5140, 10280, 20560, 205537, 411074, 822148, 1027685, 1644296, 2055370, 3288592, 4110740, 8221480, 16442960, 52823009, 105646018, 211292036, 264115045, 422584072, 528230090, 845168144, 1056460180, 2112920360, 4225840720]

約数ペア:

[(1, 4225840720), (2, 2112920360), (4, 1056460180), (5, 845168144), (8, 528230090), (10, 422584072), (16, 264115045), (20, 211292036), (40, 105646018), (80, 52823009), (257, 16442960), (514, 8221480), (1028, 4110740), (1285, 3288592), (2056, 2055370), (2570, 1644296), (4112, 1027685), (5140, 822148), (10280, 411074), (20560, 205537)]