2578180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11719}}^1$

素因数の和:11739

約数の個数: 24

約数和(自身を含む): 5906880

約数和(自身を除く): 3328700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 11719, 23438, 46876, 58595, 117190, 128909, 234380, 257818, 515636, 644545, 1289090, 2578180]

約数ペア:

[(1, 2578180), (2, 1289090), (4, 644545), (5, 515636), (10, 257818), (11, 234380), (20, 128909), (22, 117190), (44, 58595), (55, 46876), (110, 23438), (220, 11719)]