25405480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37361}}^1$

素因数の和:37389

約数の個数: 32

約数和(自身を含む): 60526440

約数和(自身を除く): 35120960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 37361, 74722, 149444, 186805, 298888, 373610, 635137, 747220, 1270274, 1494440, 2540548, 3175685, 5081096, 6351370, 12702740, 25405480]

約数ペア:

[(1, 25405480), (2, 12702740), (4, 6351370), (5, 5081096), (8, 3175685), (10, 2540548), (17, 1494440), (20, 1270274), (34, 747220), (40, 635137), (68, 373610), (85, 298888), (136, 186805), (170, 149444), (340, 74722), (680, 37361)]