320890624

素因数分解:

$2^8\times {\mathrm{1253479}}^1$

素因数の和:1253495

約数の個数: 18

約数和(自身を含む): 640528280

約数和(自身を除く): 319637656

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1253479, 2506958, 5013916, 10027832, 20055664, 40111328, 80222656, 160445312, 320890624]

約数ペア:

[(1, 320890624), (2, 160445312), (4, 80222656), (8, 40111328), (16, 20055664), (32, 10027832), (64, 5013916), (128, 2506958), (256, 1253479)]