205646800

素因数分解:

$2^4\times 5^2\times {\mathrm{514117}}^1$

素因数の和:514135

約数の個数: 30

約数和(自身を含む): 494067398

約数和(自身を除く): 288420598

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 514117, 1028234, 2056468, 2570585, 4112936, 5141170, 8225872, 10282340, 12852925, 20564680, 25705850, 41129360, 51411700, 102823400, 205646800]

約数ペア:

[(1, 205646800), (2, 102823400), (4, 51411700), (5, 41129360), (8, 25705850), (10, 20564680), (16, 12852925), (20, 10282340), (25, 8225872), (40, 5141170), (50, 4112936), (80, 2570585), (100, 2056468), (200, 1028234), (400, 514117)]