85971800

素因数分解:

$2^3\times 5^2\times {\mathrm{409}}^1\times {\mathrm{1051}}^1$

素因数の和:1476

約数の個数: 48

約数和(自身を含む): 200563800

約数和(自身を除く): 114592000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 409, 818, 1051, 1636, 2045, 2102, 3272, 4090, 4204, 5255, 8180, 8408, 10225, 10510, 16360, 20450, 21020, 26275, 40900, 42040, 52550, 81800, 105100, 210200, 429859, 859718, 1719436, 2149295, 3438872, 4298590, 8597180, 10746475, 17194360, 21492950, 42985900, 85971800]

約数ペア:

[(1, 85971800), (2, 42985900), (4, 21492950), (5, 17194360), (8, 10746475), (10, 8597180), (20, 4298590), (25, 3438872), (40, 2149295), (50, 1719436), (100, 859718), (200, 429859), (409, 210200), (818, 105100), (1051, 81800), (1636, 52550), (2045, 42040), (2102, 40900), (3272, 26275), (4090, 21020), (4204, 20450), (5255, 16360), (8180, 10510), (8408, 10225)]