39406390

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{4871}}^1$

素因数の和:5687

約数の個数: 16

約数和(自身を含む): 71033760

約数和(自身を除く): 31627370

約数列:

[1, 2, 5, 10, 809, 1618, 4045, 4871, 8090, 9742, 24355, 48710, 3940639, 7881278, 19703195, 39406390]

約数ペア:

[(1, 39406390), (2, 19703195), (5, 7881278), (10, 3940639), (809, 48710), (1618, 24355), (4045, 9742), (4871, 8090)]