221117080

素因数分解:

$2^3\times 5^1\times {\mathrm{5527927}}^1$

素因数の和:5527938

約数の個数: 16

約数和(自身を含む): 497513520

約数和(自身を除く): 276396440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5527927, 11055854, 22111708, 27639635, 44223416, 55279270, 110558540, 221117080]

約数ペア:

[(1, 221117080), (2, 110558540), (4, 55279270), (5, 44223416), (8, 27639635), (10, 22111708), (20, 11055854), (40, 5527927)]