28509580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129589}}^1$

素因数の和:129609

約数の個数: 24

約数和(自身を含む): 65313360

約数和(自身を除く): 36803780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 129589, 259178, 518356, 647945, 1295890, 1425479, 2591780, 2850958, 5701916, 7127395, 14254790, 28509580]

約数ペア:

[(1, 28509580), (2, 14254790), (4, 7127395), (5, 5701916), (10, 2850958), (11, 2591780), (20, 1425479), (22, 1295890), (44, 647945), (55, 518356), (110, 259178), (220, 129589)]