12715960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7393}}^1$

素因数の和:7447

約数の個数: 32

約数和(自身を含む): 29280240

約数和(自身を除く): 16564280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7393, 14786, 29572, 36965, 59144, 73930, 147860, 295720, 317899, 635798, 1271596, 1589495, 2543192, 3178990, 6357980, 12715960]

約数ペア:

[(1, 12715960), (2, 6357980), (4, 3178990), (5, 2543192), (8, 1589495), (10, 1271596), (20, 635798), (40, 317899), (43, 295720), (86, 147860), (172, 73930), (215, 59144), (344, 36965), (430, 29572), (860, 14786), (1720, 7393)]