1255121480

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{239527}}^1$

素因数の和:239669

約数の個数: 32

約数和(自身を含む): 2845592640

約数和(自身を除く): 1590471160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 239527, 479054, 958108, 1197635, 1916216, 2395270, 4790540, 9581080, 31378037, 62756074, 125512148, 156890185, 251024296, 313780370, 627560740, 1255121480]

約数ペア:

[(1, 1255121480), (2, 627560740), (4, 313780370), (5, 251024296), (8, 156890185), (10, 125512148), (20, 62756074), (40, 31378037), (131, 9581080), (262, 4790540), (524, 2395270), (655, 1916216), (1048, 1197635), (1310, 958108), (2620, 479054), (5240, 239527)]