15721070

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{14423}}^1$

素因数の和:14539

約数の個数: 16

約数和(自身を含む): 28559520

約数和(自身を除く): 12838450

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 14423, 28846, 72115, 144230, 1572107, 3144214, 7860535, 15721070]

約数ペア:

[(1, 15721070), (2, 7860535), (5, 3144214), (10, 1572107), (109, 144230), (218, 72115), (545, 28846), (1090, 14423)]