81276752

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{10099}}^1$

素因数の和:10610

約数の個数: 20

約数和(自身を含む): 157802400

約数和(自身を除く): 76525648

約数列:

[1, 2, 4, 8, 16, 503, 1006, 2012, 4024, 8048, 10099, 20198, 40396, 80792, 161584, 5079797, 10159594, 20319188, 40638376, 81276752]

約数ペア:

[(1, 81276752), (2, 40638376), (4, 20319188), (8, 10159594), (16, 5079797), (503, 161584), (1006, 80792), (2012, 40396), (4024, 20198), (8048, 10099)]