422480

素因数分解:

$2^4\times 5^1\times {\mathrm{5281}}^1$

素因数の和:5294

約数の個数: 20

約数和(自身を含む): 982452

約数和(自身を除く): 559972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5281, 10562, 21124, 26405, 42248, 52810, 84496, 105620, 211240, 422480]

約数ペア:

[(1, 422480), (2, 211240), (4, 105620), (5, 84496), (8, 52810), (10, 42248), (16, 26405), (20, 21124), (40, 10562), (80, 5281)]