200901285100

素因数分解:

$2^2\times 5^2\times {\mathrm{2009012851}}^1$

素因数の和:2009012865

約数の個数: 18

約数和(自身を含む): 435955788884

約数和(自身を除く): 235054503784

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2009012851, 4018025702, 8036051404, 10045064255, 20090128510, 40180257020, 50225321275, 100450642550, 200901285100]

約数ペア:

[(1, 200901285100), (2, 100450642550), (4, 50225321275), (5, 40180257020), (10, 20090128510), (20, 10045064255), (25, 8036051404), (50, 4018025702), (100, 2009012851)]