1640961904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2027}}^1\times {\mathrm{2663}}^1$

素因数の和:4717

約数の個数: 40

約数和(自身を含む): 3349607040

約数和(自身を除く): 1708645136

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2027, 2663, 4054, 5326, 8108, 10652, 16216, 21304, 32432, 38513, 42608, 50597, 77026, 101194, 154052, 202388, 308104, 404776, 616208, 809552, 5397901, 10795802, 21591604, 43183208, 86366416, 102560119, 205120238, 410240476, 820480952, 1640961904]

約数ペア:

[(1, 1640961904), (2, 820480952), (4, 410240476), (8, 205120238), (16, 102560119), (19, 86366416), (38, 43183208), (76, 21591604), (152, 10795802), (304, 5397901), (2027, 809552), (2663, 616208), (4054, 404776), (5326, 308104), (8108, 202388), (10652, 154052), (16216, 101194), (21304, 77026), (32432, 50597), (38513, 42608)]