80352784

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{122489}}^1$

素因数の和:122538

約数の個数: 20

約数和(自身を含む): 159481980

約数和(自身を除く): 79129196

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 122489, 244978, 489956, 979912, 1959824, 5022049, 10044098, 20088196, 40176392, 80352784]

約数ペア:

[(1, 80352784), (2, 40176392), (4, 20088196), (8, 10044098), (16, 5022049), (41, 1959824), (82, 979912), (164, 489956), (328, 244978), (656, 122489)]