26778260

素因数分解:

$2^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1619}}^1$

素因数の和:2455

約数の個数: 24

約数和(自身を含む): 56337120

約数和(自身を除く): 29558860

約数列:

[1, 2, 4, 5, 10, 20, 827, 1619, 1654, 3238, 3308, 4135, 6476, 8095, 8270, 16190, 16540, 32380, 1338913, 2677826, 5355652, 6694565, 13389130, 26778260]

約数ペア:

[(1, 26778260), (2, 13389130), (4, 6694565), (5, 5355652), (10, 2677826), (20, 1338913), (827, 32380), (1619, 16540), (1654, 16190), (3238, 8270), (3308, 8095), (4135, 6476)]