13338440

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2399}}^1$

素因数の和:2549

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 16901560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2399, 2780, 4798, 5560, 9596, 11995, 19192, 23990, 47980, 95960, 333461, 666922, 1333844, 1667305, 2667688, 3334610, 6669220, 13338440]

約数ペア:

[(1, 13338440), (2, 6669220), (4, 3334610), (5, 2667688), (8, 1667305), (10, 1333844), (20, 666922), (40, 333461), (139, 95960), (278, 47980), (556, 23990), (695, 19192), (1112, 11995), (1390, 9596), (2399, 5560), (2780, 4798)]