28700540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130457}}^1$

素因数の和:130477

約数の個数: 24

約数和(自身を含む): 65750832

約数和(自身を除く): 37050292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 130457, 260914, 521828, 652285, 1304570, 1435027, 2609140, 2870054, 5740108, 7175135, 14350270, 28700540]

約数ペア:

[(1, 28700540), (2, 14350270), (4, 7175135), (5, 5740108), (10, 2870054), (11, 2609140), (20, 1435027), (22, 1304570), (44, 652285), (55, 521828), (110, 260914), (220, 130457)]