15886120

素因数分解:

$2^3\times 5^1\times {\mathrm{397153}}^1$

素因数の和:397164

約数の個数: 16

約数和(自身を含む): 35743860

約数和(自身を除く): 19857740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397153, 794306, 1588612, 1985765, 3177224, 3971530, 7943060, 15886120]

約数ペア:

[(1, 15886120), (2, 7943060), (4, 3971530), (5, 3177224), (8, 1985765), (10, 1588612), (20, 794306), (40, 397153)]