204022480

素因数分解:

$2^4\times 5^1\times {\mathrm{2550281}}^1$

素因数の和:2550294

約数の個数: 20

約数和(自身を含む): 474352452

約数和(自身を除く): 270329972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2550281, 5100562, 10201124, 12751405, 20402248, 25502810, 40804496, 51005620, 102011240, 204022480]

約数ペア:

[(1, 204022480), (2, 102011240), (4, 51005620), (5, 40804496), (8, 25502810), (10, 20402248), (16, 12751405), (20, 10201124), (40, 5100562), (80, 2550281)]