26580920

素因数分解:

$2^3\times 5^1\times {\mathrm{277}}^1\times {\mathrm{2399}}^1$

素因数の和:2687

約数の個数: 32

約数和(自身を含む): 60048000

約数和(自身を除く): 33467080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 277, 554, 1108, 1385, 2216, 2399, 2770, 4798, 5540, 9596, 11080, 11995, 19192, 23990, 47980, 95960, 664523, 1329046, 2658092, 3322615, 5316184, 6645230, 13290460, 26580920]

約数ペア:

[(1, 26580920), (2, 13290460), (4, 6645230), (5, 5316184), (8, 3322615), (10, 2658092), (20, 1329046), (40, 664523), (277, 95960), (554, 47980), (1108, 23990), (1385, 19192), (2216, 11995), (2399, 11080), (2770, 9596), (4798, 5540)]