81326510

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{32401}}^1$

素因数の和:32659

約数の個数: 16

約数和(自身を含む): 146975472

約数和(自身を除く): 65648962

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 32401, 64802, 162005, 324010, 8132651, 16265302, 40663255, 81326510]

約数ペア:

[(1, 81326510), (2, 40663255), (5, 16265302), (10, 8132651), (251, 324010), (502, 162005), (1255, 64802), (2510, 32401)]