204670960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{196799}}^1$

素因数の和:196825

約数の個数: 40

約数和(自身を含む): 512467200

約数和(自身を除く): 307796240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 196799, 393598, 787196, 983995, 1574392, 1967990, 2558387, 3148784, 3935980, 5116774, 7871960, 10233548, 12791935, 15743920, 20467096, 25583870, 40934192, 51167740, 102335480, 204670960]

約数ペア:

[(1, 204670960), (2, 102335480), (4, 51167740), (5, 40934192), (8, 25583870), (10, 20467096), (13, 15743920), (16, 12791935), (20, 10233548), (26, 7871960), (40, 5116774), (52, 3935980), (65, 3148784), (80, 2558387), (104, 1967990), (130, 1574392), (208, 983995), (260, 787196), (520, 393598), (1040, 196799)]