12821641220

素因数分解:

$2^2\times 5^1\times {\mathrm{1301}}^1\times {\mathrm{492761}}^1$

素因数の和:494071

約数の個数: 24

約数和(自身を含む): 26946197208

約数和(自身を除く): 14124555988

約数列:

[1, 2, 4, 5, 10, 20, 1301, 2602, 5204, 6505, 13010, 26020, 492761, 985522, 1971044, 2463805, 4927610, 9855220, 641082061, 1282164122, 2564328244, 3205410305, 6410820610, 12821641220]

約数ペア:

[(1, 12821641220), (2, 6410820610), (4, 3205410305), (5, 2564328244), (10, 1282164122), (20, 641082061), (1301, 9855220), (2602, 4927610), (5204, 2463805), (6505, 1971044), (13010, 985522), (26020, 492761)]