80656208

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{75239}}^1$

素因数の和:75314

約数の個数: 20

約数和(自身を含む): 158605920

約数和(自身を除く): 77949712

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 75239, 150478, 300956, 601912, 1203824, 5041013, 10082026, 20164052, 40328104, 80656208]

約数ペア:

[(1, 80656208), (2, 40328104), (4, 20164052), (8, 10082026), (16, 5041013), (67, 1203824), (134, 601912), (268, 300956), (536, 150478), (1072, 75239)]