80270128

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{122363}}^1$

素因数の和:122412

約数の個数: 20

約数和(自身を含む): 159317928

約数和(自身を除く): 79047800

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 122363, 244726, 489452, 978904, 1957808, 5016883, 10033766, 20067532, 40135064, 80270128]

約数ペア:

[(1, 80270128), (2, 40135064), (4, 20067532), (8, 10033766), (16, 5016883), (41, 1957808), (82, 978904), (164, 489452), (328, 244726), (656, 122363)]