2638010

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1051}}^1$

素因数の和:1309

約数の個数: 16

約数和(自身を含む): 4771872

約数和(自身を除く): 2133862

約数列:

[1, 2, 5, 10, 251, 502, 1051, 1255, 2102, 2510, 5255, 10510, 263801, 527602, 1319005, 2638010]

約数ペア:

[(1, 2638010), (2, 1319005), (5, 527602), (10, 263801), (251, 10510), (502, 5255), (1051, 2510), (1255, 2102)]