15998133080

素因数分解:

$2^3\times 5^1\times {\mathrm{399953327}}^1$

素因数の和:399953338

約数の個数: 16

約数和(自身を含む): 35995799520

約数和(自身を除く): 19997666440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 399953327, 799906654, 1599813308, 1999766635, 3199626616, 3999533270, 7999066540, 15998133080]

約数ペア:

[(1, 15998133080), (2, 7999066540), (4, 3999533270), (5, 3199626616), (8, 1999766635), (10, 1599813308), (20, 799906654), (40, 399953327)]