320621824

素因数分解:

$2^8\times {\mathrm{1252429}}^1$

素因数の和:1252445

約数の個数: 18

約数和(自身を含む): 639991730

約数和(自身を除く): 319369906

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1252429, 2504858, 5009716, 10019432, 20038864, 40077728, 80155456, 160310912, 320621824]

約数ペア:

[(1, 320621824), (2, 160310912), (4, 80155456), (8, 40077728), (16, 20038864), (32, 10019432), (64, 5009716), (128, 2504858), (256, 1252429)]