17765989880

素因数分解:

$2^3\times 5^1\times {\mathrm{1049}}^1\times {\mathrm{423403}}^1$

素因数の和:424463

約数の個数: 32

約数和(自身を含む): 40011678000

約数和(自身を除く): 22245688120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1049, 2098, 4196, 5245, 8392, 10490, 20980, 41960, 423403, 846806, 1693612, 2117015, 3387224, 4234030, 8468060, 16936120, 444149747, 888299494, 1776598988, 2220748735, 3553197976, 4441497470, 8882994940, 17765989880]

約数ペア:

[(1, 17765989880), (2, 8882994940), (4, 4441497470), (5, 3553197976), (8, 2220748735), (10, 1776598988), (20, 888299494), (40, 444149747), (1049, 16936120), (2098, 8468060), (4196, 4234030), (5245, 3387224), (8392, 2117015), (10490, 1693612), (20980, 846806), (41960, 423403)]