15705008140

素因数分解:

$2^2\times 5^1\times {\mathrm{785250407}}^1$

素因数の和:785250416

約数の個数: 12

約数和(自身を含む): 32980517136

約数和(自身を除く): 17275508996

約数列:

[1, 2, 4, 5, 10, 20, 785250407, 1570500814, 3141001628, 3926252035, 7852504070, 15705008140]

約数ペア:

[(1, 15705008140), (2, 7852504070), (4, 3926252035), (5, 3141001628), (10, 1570500814), (20, 785250407)]