81097000

素因数分解:

$2^3\times 5^3\times {\mathrm{81097}}^1$

素因数の和:81118

約数の個数: 32

約数和(自身を含む): 189769320

約数和(自身を除く): 108672320

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 81097, 162194, 324388, 405485, 648776, 810970, 1621940, 2027425, 3243880, 4054850, 8109700, 10137125, 16219400, 20274250, 40548500, 81097000]

約数ペア:

[(1, 81097000), (2, 40548500), (4, 20274250), (5, 16219400), (8, 10137125), (10, 8109700), (20, 4054850), (25, 3243880), (40, 2027425), (50, 1621940), (100, 810970), (125, 648776), (200, 405485), (250, 324388), (500, 162194), (1000, 81097)]