2560804784

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{1151441}}^1$

素因数の和:1151588

約数の個数: 20

約数和(自身を含む): 4997258280

約数和(自身を除く): 2436453496

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 1151441, 2302882, 4605764, 9211528, 18423056, 160050299, 320100598, 640201196, 1280402392, 2560804784]

約数ペア:

[(1, 2560804784), (2, 1280402392), (4, 640201196), (8, 320100598), (16, 160050299), (139, 18423056), (278, 9211528), (556, 4605764), (1112, 2302882), (2224, 1151441)]