3938740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15149}}^1$

素因数の和:15171

約数の個数: 24

約数和(自身を含む): 8908200

約数和(自身を除く): 4969460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 15149, 30298, 60596, 75745, 151490, 196937, 302980, 393874, 787748, 984685, 1969370, 3938740]

約数ペア:

[(1, 3938740), (2, 1969370), (4, 984685), (5, 787748), (10, 393874), (13, 302980), (20, 196937), (26, 151490), (52, 75745), (65, 60596), (130, 30298), (260, 15149)]