26809880

素因数分解:

$2^3\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1723}}^1$

素因数の和:2123

約数の個数: 32

約数和(自身を含む): 60512400

約数和(自身を除く): 33702520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 389, 778, 1556, 1723, 1945, 3112, 3446, 3890, 6892, 7780, 8615, 13784, 15560, 17230, 34460, 68920, 670247, 1340494, 2680988, 3351235, 5361976, 6702470, 13404940, 26809880]

約数ペア:

[(1, 26809880), (2, 13404940), (4, 6702470), (5, 5361976), (8, 3351235), (10, 2680988), (20, 1340494), (40, 670247), (389, 68920), (778, 34460), (1556, 17230), (1723, 15560), (1945, 13784), (3112, 8615), (3446, 7780), (3890, 6892)]