3981260

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10477}}^1$

素因数の和:10505

約数の個数: 24

約数和(自身を含む): 8801520

約数和(自身を除く): 4820260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 10477, 20954, 41908, 52385, 104770, 199063, 209540, 398126, 796252, 995315, 1990630, 3981260]

約数ペア:

[(1, 3981260), (2, 1990630), (4, 995315), (5, 796252), (10, 398126), (19, 209540), (20, 199063), (38, 104770), (76, 52385), (95, 41908), (190, 20954), (380, 10477)]