2080404016

素因数分解:

$2^4\times {\mathrm{6997}}^1\times {\mathrm{18583}}^1$

素因数の和:25588

約数の個数: 20

約数和(自身を含む): 4031575792

約数和(自身を除く): 1951171776

約数列:

[1, 2, 4, 8, 16, 6997, 13994, 18583, 27988, 37166, 55976, 74332, 111952, 148664, 297328, 130025251, 260050502, 520101004, 1040202008, 2080404016]

約数ペア:

[(1, 2080404016), (2, 1040202008), (4, 520101004), (8, 260050502), (16, 130025251), (6997, 297328), (13994, 148664), (18583, 111952), (27988, 74332), (37166, 55976)]