2080676980

素因数分解:

$2^2\times 5^1\times {\mathrm{6427}}^1\times {\mathrm{16187}}^1$

素因数の和:22623

約数の個数: 24

約数和(自身を含む): 4370371488

約数和(自身を除く): 2289694508

約数列:

[1, 2, 4, 5, 10, 20, 6427, 12854, 16187, 25708, 32135, 32374, 64270, 64748, 80935, 128540, 161870, 323740, 104033849, 208067698, 416135396, 520169245, 1040338490, 2080676980]

約数ペア:

[(1, 2080676980), (2, 1040338490), (4, 520169245), (5, 416135396), (10, 208067698), (20, 104033849), (6427, 323740), (12854, 161870), (16187, 128540), (25708, 80935), (32135, 64748), (32374, 64270)]