2511280

素因数分解:

$2^4\times 5^1\times {\mathrm{31391}}^1$

素因数の和:31404

約数の個数: 20

約数和(自身を含む): 5838912

約数和(自身を除く): 3327632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 31391, 62782, 125564, 156955, 251128, 313910, 502256, 627820, 1255640, 2511280]

約数ペア:

[(1, 2511280), (2, 1255640), (4, 627820), (5, 502256), (8, 313910), (10, 251128), (16, 156955), (20, 125564), (40, 62782), (80, 31391)]