80390996860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{138605167}}^1$

素因数の和:138605205

約数の個数: 24

約数和(自身を含む): 174642511680

約数和(自身を除く): 94251514820

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 138605167, 277210334, 554420668, 693025835, 1386051670, 2772103340, 4019549843, 8039099686, 16078199372, 20097749215, 40195498430, 80390996860]

約数ペア:

[(1, 80390996860), (2, 40195498430), (4, 20097749215), (5, 16078199372), (10, 8039099686), (20, 4019549843), (29, 2772103340), (58, 1386051670), (116, 693025835), (145, 554420668), (290, 277210334), (580, 138605167)]