205742560

素因数分解:

$2^5\times 5^1\times {\mathrm{1285891}}^1$

素因数の和:1285906

約数の個数: 24

約数和(自身を含む): 486067176

約数和(自身を除く): 280324616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1285891, 2571782, 5143564, 6429455, 10287128, 12858910, 20574256, 25717820, 41148512, 51435640, 102871280, 205742560]

約数ペア:

[(1, 205742560), (2, 102871280), (4, 51435640), (5, 41148512), (8, 25717820), (10, 20574256), (16, 12858910), (20, 10287128), (32, 6429455), (40, 5143564), (80, 2571782), (160, 1285891)]