16210007720

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1576849}}^1$

素因数の和:1577117

約数の個数: 32

約数和(自身を含む): 36614457000

約数和(自身を除く): 20404449280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 1576849, 3153698, 6307396, 7884245, 12614792, 15768490, 31536980, 63073960, 405250193, 810500386, 1621000772, 2026250965, 3242001544, 4052501930, 8105003860, 16210007720]

約数ペア:

[(1, 16210007720), (2, 8105003860), (4, 4052501930), (5, 3242001544), (8, 2026250965), (10, 1621000772), (20, 810500386), (40, 405250193), (257, 63073960), (514, 31536980), (1028, 15768490), (1285, 12614792), (2056, 7884245), (2570, 6307396), (5140, 3153698), (10280, 1576849)]