210004880

素因数分解:

$2^4\times 5^1\times {\mathrm{2625061}}^1$

素因数の和:2625074

約数の個数: 20

約数和(自身を含む): 488261532

約数和(自身を除く): 278256652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2625061, 5250122, 10500244, 13125305, 21000488, 26250610, 42000976, 52501220, 105002440, 210004880]

約数ペア:

[(1, 210004880), (2, 105002440), (4, 52501220), (5, 42000976), (8, 26250610), (10, 21000488), (16, 13125305), (20, 10500244), (40, 5250122), (80, 2625061)]