2261135180

素因数分解:

$2^2\times 5^1\times {\mathrm{7219}}^1\times {\mathrm{15661}}^1$

素因数の和:22889

約数の個数: 24

約数和(自身を含む): 4749344880

約数和(自身を除く): 2488209700

約数列:

[1, 2, 4, 5, 10, 20, 7219, 14438, 15661, 28876, 31322, 36095, 62644, 72190, 78305, 144380, 156610, 313220, 113056759, 226113518, 452227036, 565283795, 1130567590, 2261135180]

約数ペア:

[(1, 2261135180), (2, 1130567590), (4, 565283795), (5, 452227036), (10, 226113518), (20, 113056759), (7219, 313220), (14438, 156610), (15661, 144380), (28876, 78305), (31322, 72190), (36095, 62644)]