90202220

素因数分解:

$2^2\times 5^1\times {\mathrm{1069}}^1\times {\mathrm{4219}}^1$

素因数の和:5297

約数の個数: 24

約数和(自身を含む): 189646800

約数和(自身を除く): 99444580

約数列:

[1, 2, 4, 5, 10, 20, 1069, 2138, 4219, 4276, 5345, 8438, 10690, 16876, 21095, 21380, 42190, 84380, 4510111, 9020222, 18040444, 22550555, 45101110, 90202220]

約数ペア:

[(1, 90202220), (2, 45101110), (4, 22550555), (5, 18040444), (10, 9020222), (20, 4510111), (1069, 84380), (2138, 42190), (4219, 21380), (4276, 21095), (5345, 16876), (8438, 10690)]