81745310

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{62401}}^1$

素因数の和:62539

約数の個数: 16

約数和(自身を含む): 148267152

約数和(自身を除く): 66521842

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 62401, 124802, 312005, 624010, 8174531, 16349062, 40872655, 81745310]

約数ペア:

[(1, 81745310), (2, 40872655), (5, 16349062), (10, 8174531), (131, 624010), (262, 312005), (655, 124802), (1310, 62401)]