87982220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{33581}}^1$

素因数の和:33721

約数の個数: 24

約数和(自身を含む): 186178608

約数和(自身を除く): 98196388

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 33581, 67162, 134324, 167905, 335810, 671620, 4399111, 8798222, 17596444, 21995555, 43991110, 87982220]

約数ペア:

[(1, 87982220), (2, 43991110), (4, 21995555), (5, 17596444), (10, 8798222), (20, 4399111), (131, 671620), (262, 335810), (524, 167905), (655, 134324), (1310, 67162), (2620, 33581)]