115540

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 24

約数和(自身を含む): 249480

約数和(自身を除く): 133940

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 109, 212, 218, 265, 436, 530, 545, 1060, 1090, 2180, 5777, 11554, 23108, 28885, 57770, 115540]

約数ペア:

[(1, 115540), (2, 57770), (4, 28885), (5, 23108), (10, 11554), (20, 5777), (53, 2180), (106, 1090), (109, 1060), (212, 545), (218, 530), (265, 436)]