16028780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{42181}}^1$

素因数の和:42209

約数の個数: 24

約数和(自身を含む): 35432880

約数和(自身を除く): 19404100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 42181, 84362, 168724, 210905, 421810, 801439, 843620, 1602878, 3205756, 4007195, 8014390, 16028780]

約数ペア:

[(1, 16028780), (2, 8014390), (4, 4007195), (5, 3205756), (10, 1602878), (19, 843620), (20, 801439), (38, 421810), (76, 210905), (95, 168724), (190, 84362), (380, 42181)]