16411280

素因数分解:

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

素因数の和:205154

約数の個数: 20

約数和(自身を含む): 38156412

約数和(自身を除く): 21745132

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 205141, 410282, 820564, 1025705, 1641128, 2051410, 3282256, 4102820, 8205640, 16411280]

約数ペア:

[(1, 16411280), (2, 8205640), (4, 4102820), (5, 3282256), (8, 2051410), (10, 1641128), (16, 1025705), (20, 820564), (40, 410282), (80, 205141)]