1315711480

素因数分解:

$2^3\times 5^1\times {\mathrm{1609}}^1\times {\mathrm{20443}}^1$

素因数の和:22063

約数の個数: 32

約数和(自身を含む): 2962335600

約数和(自身を除く): 1646624120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1609, 3218, 6436, 8045, 12872, 16090, 20443, 32180, 40886, 64360, 81772, 102215, 163544, 204430, 408860, 817720, 32892787, 65785574, 131571148, 164463935, 263142296, 328927870, 657855740, 1315711480]

約数ペア:

[(1, 1315711480), (2, 657855740), (4, 328927870), (5, 263142296), (8, 164463935), (10, 131571148), (20, 65785574), (40, 32892787), (1609, 817720), (3218, 408860), (6436, 204430), (8045, 163544), (12872, 102215), (16090, 81772), (20443, 64360), (32180, 40886)]