82056400

素因数分解:

$2^4\times 5^2\times {\mathrm{205141}}^1$

素因数の和:205159

約数の個数: 30

約数和(自身を含む): 197141462

約数和(自身を除く): 115085062

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 205141, 410282, 820564, 1025705, 1641128, 2051410, 3282256, 4102820, 5128525, 8205640, 10257050, 16411280, 20514100, 41028200, 82056400]

約数ペア:

[(1, 82056400), (2, 41028200), (4, 20514100), (5, 16411280), (8, 10257050), (10, 8205640), (16, 5128525), (20, 4102820), (25, 3282256), (40, 2051410), (50, 1641128), (80, 1025705), (100, 820564), (200, 410282), (400, 205141)]