80895824

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{7649}}^1$

素因数の和:8318

約数の個数: 20

約数和(自身を含む): 156993300

約数和(自身を除く): 76097476

約数列:

[1, 2, 4, 8, 16, 661, 1322, 2644, 5288, 7649, 10576, 15298, 30596, 61192, 122384, 5055989, 10111978, 20223956, 40447912, 80895824]

約数ペア:

[(1, 80895824), (2, 40447912), (4, 20223956), (8, 10111978), (16, 5055989), (661, 122384), (1322, 61192), (2644, 30596), (5288, 15298), (7649, 10576)]