4055407780

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{439849}}^1$

素因数の和:440319

約数の個数: 24

約数和(自身を含む): 8534849400

約数和(自身を除く): 4479441620

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4610, 9220, 439849, 879698, 1759396, 2199245, 4398490, 8796980, 202770389, 405540778, 811081556, 1013851945, 2027703890, 4055407780]

約数ペア:

[(1, 4055407780), (2, 2027703890), (4, 1013851945), (5, 811081556), (10, 405540778), (20, 202770389), (461, 8796980), (922, 4398490), (1844, 2199245), (2305, 1759396), (4610, 879698), (9220, 439849)]