80118815

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{21001}}^1$

素因数の和:21122

約数の個数: 16

約数和(自身を含む): 110890560

約数和(自身を除く): 30771745

約数列:

[1, 5, 7, 35, 109, 545, 763, 3815, 21001, 105005, 147007, 735035, 2289109, 11445545, 16023763, 80118815]

約数ペア:

[(1, 80118815), (5, 16023763), (7, 11445545), (35, 2289109), (109, 735035), (545, 147007), (763, 105005), (3815, 21001)]