165041720

素因数分解:

$2^3\times 5^1\times {\mathrm{4126043}}^1$

素因数の和:4126054

約数の個数: 16

約数和(自身を含む): 371343960

約数和(自身を除く): 206302240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4126043, 8252086, 16504172, 20630215, 33008344, 41260430, 82520860, 165041720]

約数ペア:

[(1, 165041720), (2, 82520860), (4, 41260430), (5, 33008344), (8, 20630215), (10, 16504172), (20, 8252086), (40, 4126043)]