28671530

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{20627}}^1$

素因数の和:20773

約数の個数: 16

約数和(自身を含む): 51982560

約数和(自身を除く): 23311030

約数列:

[1, 2, 5, 10, 139, 278, 695, 1390, 20627, 41254, 103135, 206270, 2867153, 5734306, 14335765, 28671530]

約数ペア:

[(1, 28671530), (2, 14335765), (5, 5734306), (10, 2867153), (139, 206270), (278, 103135), (695, 41254), (1390, 20627)]