200235580

素因数分解:

$2^2\times 5^1\times {\mathrm{641}}^1\times {\mathrm{15619}}^1$

素因数の和:16269

約数の個数: 24

約数和(自身を含む): 421177680

約数和(自身を除く): 220942100

約数列:

[1, 2, 4, 5, 10, 20, 641, 1282, 2564, 3205, 6410, 12820, 15619, 31238, 62476, 78095, 156190, 312380, 10011779, 20023558, 40047116, 50058895, 100117790, 200235580]

約数ペア:

[(1, 200235580), (2, 100117790), (4, 50058895), (5, 40047116), (10, 20023558), (20, 10011779), (641, 312380), (1282, 156190), (2564, 78095), (3205, 62476), (6410, 31238), (12820, 15619)]