20100667100

素因数分解:

$2^2\times 5^2\times {\mathrm{201006671}}^1$

素因数の和:201006685

約数の個数: 18

約数和(自身を含む): 43618447824

約数和(自身を除く): 23517780724

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 201006671, 402013342, 804026684, 1005033355, 2010066710, 4020133420, 5025166775, 10050333550, 20100667100]

約数ペア:

[(1, 20100667100), (2, 10050333550), (4, 5025166775), (5, 4020133420), (10, 2010066710), (20, 1005033355), (25, 804026684), (50, 402013342), (100, 201006671)]