26801080

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9437}}^1$

素因数の和:9519

約数の個数: 32

約数和(自身を含む): 61158240

約数和(自身を除く): 34357160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 9437, 18874, 37748, 47185, 75496, 94370, 188740, 377480, 670027, 1340054, 2680108, 3350135, 5360216, 6700270, 13400540, 26801080]

約数ペア:

[(1, 26801080), (2, 13400540), (4, 6700270), (5, 5360216), (8, 3350135), (10, 2680108), (20, 1340054), (40, 670027), (71, 377480), (142, 188740), (284, 94370), (355, 75496), (568, 47185), (710, 37748), (1420, 18874), (2840, 9437)]