87347720

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{6257}}^1$

素因数の和:6617

約数の個数: 32

約数和(自身を含む): 197127000

約数和(自身を除く): 109779280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6257, 6980, 12514, 13960, 25028, 31285, 50056, 62570, 125140, 250280, 2183693, 4367386, 8734772, 10918465, 17469544, 21836930, 43673860, 87347720]

約数ペア:

[(1, 87347720), (2, 43673860), (4, 21836930), (5, 17469544), (8, 10918465), (10, 8734772), (20, 4367386), (40, 2183693), (349, 250280), (698, 125140), (1396, 62570), (1745, 50056), (2792, 31285), (3490, 25028), (6257, 13960), (6980, 12514)]