8899681480

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{637513}}^1$

素因数の和:637873

約数の個数: 32

約数和(自身を含む): 20081691000

約数和(自身を除く): 11182009520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1396, 1745, 2792, 3490, 6980, 13960, 637513, 1275026, 2550052, 3187565, 5100104, 6375130, 12750260, 25500520, 222492037, 444984074, 889968148, 1112460185, 1779936296, 2224920370, 4449840740, 8899681480]

約数ペア:

[(1, 8899681480), (2, 4449840740), (4, 2224920370), (5, 1779936296), (8, 1112460185), (10, 889968148), (20, 444984074), (40, 222492037), (349, 25500520), (698, 12750260), (1396, 6375130), (1745, 5100104), (2792, 3187565), (3490, 2550052), (6980, 1275026), (13960, 637513)]