25067780

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{4877}}^1$

素因数の和:5143

約数の個数: 24

約数和(自身を含む): 52858008

約数和(自身を除く): 27790228

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 4877, 5140, 9754, 19508, 24385, 48770, 97540, 1253389, 2506778, 5013556, 6266945, 12533890, 25067780]

約数ペア:

[(1, 25067780), (2, 12533890), (4, 6266945), (5, 5013556), (10, 2506778), (20, 1253389), (257, 97540), (514, 48770), (1028, 24385), (1285, 19508), (2570, 9754), (4877, 5140)]