80638192

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{162577}}^1$

素因数の和:162616

約数の個数: 20

約数和(自身を含む): 161277376

約数和(自身を除く): 80639184

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 162577, 325154, 650308, 1300616, 2601232, 5039887, 10079774, 20159548, 40319096, 80638192]

約数ペア:

[(1, 80638192), (2, 40319096), (4, 20159548), (8, 10079774), (16, 5039887), (31, 2601232), (62, 1300616), (124, 650308), (248, 325154), (496, 162577)]