49943980

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{9949}}^1$

素因数の和:10209

約数の個数: 24

約数和(自身を含む): 105310800

約数和(自身を除く): 55366820

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 9949, 19898, 39796, 49745, 99490, 198980, 2497199, 4994398, 9988796, 12485995, 24971990, 49943980]

約数ペア:

[(1, 49943980), (2, 24971990), (4, 12485995), (5, 9988796), (10, 4994398), (20, 2497199), (251, 198980), (502, 99490), (1004, 49745), (1255, 39796), (2510, 19898), (5020, 9949)]