71681180

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{210827}}^1$

素因数の和:210853

約数の個数: 24

約数和(自身を含む): 159385968

約数和(自身を除く): 87704788

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 210827, 421654, 843308, 1054135, 2108270, 3584059, 4216540, 7168118, 14336236, 17920295, 35840590, 71681180]

約数ペア:

[(1, 71681180), (2, 35840590), (4, 17920295), (5, 14336236), (10, 7168118), (17, 4216540), (20, 3584059), (34, 2108270), (68, 1054135), (85, 843308), (170, 421654), (340, 210827)]