87779681480

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{4581403}}^1$

素因数の和:4581893

約数の個数: 32

約数和(自身を含む): 197916652800

約数和(自身を除く): 110136971320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1916, 2395, 3832, 4790, 9580, 19160, 4581403, 9162806, 18325612, 22907015, 36651224, 45814030, 91628060, 183256120, 2194492037, 4388984074, 8777968148, 10972460185, 17555936296, 21944920370, 43889840740, 87779681480]

約数ペア:

[(1, 87779681480), (2, 43889840740), (4, 21944920370), (5, 17555936296), (8, 10972460185), (10, 8777968148), (20, 4388984074), (40, 2194492037), (479, 183256120), (958, 91628060), (1916, 45814030), (2395, 36651224), (3832, 22907015), (4790, 18325612), (9580, 9162806), (19160, 4581403)]