208889746640

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{4073513}}^1$

素因数の和:4074167

約数の個数: 40

約数和(自身を含む): 486426453768

約数和(自身を除く): 277536707128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 2564, 3205, 5128, 6410, 10256, 12820, 25640, 51280, 4073513, 8147026, 16294052, 20367565, 32588104, 40735130, 65176208, 81470260, 162940520, 325881040, 2611121833, 5222243666, 10444487332, 13055609165, 20888974664, 26111218330, 41777949328, 52222436660, 104444873320, 208889746640]

約数ペア:

[(1, 208889746640), (2, 104444873320), (4, 52222436660), (5, 41777949328), (8, 26111218330), (10, 20888974664), (16, 13055609165), (20, 10444487332), (40, 5222243666), (80, 2611121833), (641, 325881040), (1282, 162940520), (2564, 81470260), (3205, 65176208), (5128, 40735130), (6410, 32588104), (10256, 20367565), (12820, 16294052), (25640, 8147026), (51280, 4073513)]