28003810

素因数分解:

$2^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{6379}}^1$

素因数の和:6825

約数の個数: 16

約数和(自身を含む): 50529600

約数和(自身を除く): 22525790

約数列:

[1, 2, 5, 10, 439, 878, 2195, 4390, 6379, 12758, 31895, 63790, 2800381, 5600762, 14001905, 28003810]

約数ペア:

[(1, 28003810), (2, 14001905), (5, 5600762), (10, 2800381), (439, 63790), (878, 31895), (2195, 12758), (4390, 6379)]