80905468

素因数分解:

$2^2\times 7^3\times {\mathrm{109}}^1\times {\mathrm{541}}^1$

素因数の和:675

約数の個数: 48

約数和(自身を含む): 166936000

約数和(自身を除く): 86030532

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 196, 218, 343, 436, 541, 686, 763, 1082, 1372, 1526, 2164, 3052, 3787, 5341, 7574, 10682, 15148, 21364, 26509, 37387, 53018, 58969, 74774, 106036, 117938, 149548, 185563, 235876, 371126, 412783, 742252, 825566, 1651132, 2889481, 5778962, 11557924, 20226367, 40452734, 80905468]

約数ペア:

[(1, 80905468), (2, 40452734), (4, 20226367), (7, 11557924), (14, 5778962), (28, 2889481), (49, 1651132), (98, 825566), (109, 742252), (196, 412783), (218, 371126), (343, 235876), (436, 185563), (541, 149548), (686, 117938), (763, 106036), (1082, 74774), (1372, 58969), (1526, 53018), (2164, 37387), (3052, 26509), (3787, 21364), (5341, 15148), (7574, 10682)]