39409130

素因数分解:

$2^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{21773}}^1$

素因数の和:21961

約数の個数: 16

約数和(自身を含む): 71331624

約数和(自身を除く): 31922494

約数列:

[1, 2, 5, 10, 181, 362, 905, 1810, 21773, 43546, 108865, 217730, 3940913, 7881826, 19704565, 39409130]

約数ペア:

[(1, 39409130), (2, 19704565), (5, 7881826), (10, 3940913), (181, 217730), (362, 108865), (905, 43546), (1810, 21773)]