2561844008

素因数分解:

$2^3\times {\mathrm{2939}}^1\times {\mathrm{108959}}^1$

素因数の和:111904

約数の個数: 16

約数和(自身を含む): 4805136000

約数和(自身を除く): 2243291992

約数列:

[1, 2, 4, 8, 2939, 5878, 11756, 23512, 108959, 217918, 435836, 871672, 320230501, 640461002, 1280922004, 2561844008]

約数ペア:

[(1, 2561844008), (2, 1280922004), (4, 640461002), (8, 320230501), (2939, 871672), (5878, 435836), (11756, 217918), (23512, 108959)]