2480459990

素因数分解:

$2^1\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{243421}}^1$

素因数の和:244447

約数の個数: 16

約数和(自身を含む): 4469227920

約数和(自身を除く): 1988767930

約数列:

[1, 2, 5, 10, 1019, 2038, 5095, 10190, 243421, 486842, 1217105, 2434210, 248045999, 496091998, 1240229995, 2480459990]

約数ペア:

[(1, 2480459990), (2, 1240229995), (5, 496091998), (10, 248045999), (1019, 2434210), (2038, 1217105), (5095, 486842), (10190, 243421)]