68327680

素因数分解:

$2^8\times 5^1\times {\mathrm{53381}}^1$

素因数の和:53402

約数の個数: 36

約数和(自身を含む): 163669212

約数和(自身を除く): 95341532

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 53381, 106762, 213524, 266905, 427048, 533810, 854096, 1067620, 1708192, 2135240, 3416384, 4270480, 6832768, 8540960, 13665536, 17081920, 34163840, 68327680]

約数ペア:

[(1, 68327680), (2, 34163840), (4, 17081920), (5, 13665536), (8, 8540960), (10, 6832768), (16, 4270480), (20, 3416384), (32, 2135240), (40, 1708192), (64, 1067620), (80, 854096), (128, 533810), (160, 427048), (256, 266905), (320, 213524), (640, 106762), (1280, 53381)]