2640256

素因数分解:

$2^7\times {\mathrm{20627}}^1$

素因数の和:20641

約数の個数: 16

約数和(自身を含む): 5260140

約数和(自身を除く): 2619884

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 20627, 41254, 82508, 165016, 330032, 660064, 1320128, 2640256]

約数ペア:

[(1, 2640256), (2, 1320128), (4, 660064), (8, 330032), (16, 165016), (32, 82508), (64, 41254), (128, 20627)]