205444880

素因数分解:

$2^4\times 5^1\times {\mathrm{2568061}}^1$

素因数の和:2568074

約数の個数: 20

約数和(自身を含む): 477659532

約数和(自身を除く): 272214652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2568061, 5136122, 10272244, 12840305, 20544488, 25680610, 41088976, 51361220, 102722440, 205444880]

約数ペア:

[(1, 205444880), (2, 102722440), (4, 51361220), (5, 41088976), (8, 25680610), (10, 20544488), (16, 12840305), (20, 10272244), (40, 5136122), (80, 2568061)]