18088240

素因数分解:

$2^4\times 5^1\times {\mathrm{226103}}^1$

素因数の和:226116

約数の個数: 20

約数和(自身を含む): 42055344

約数和(自身を除く): 23967104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 226103, 452206, 904412, 1130515, 1808824, 2261030, 3617648, 4522060, 9044120, 18088240]

約数ペア:

[(1, 18088240), (2, 9044120), (4, 4522060), (5, 3617648), (8, 2261030), (10, 1808824), (16, 1130515), (20, 904412), (40, 452206), (80, 226103)]