80701240

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15401}}^1$

素因数の和:15543

約数の個数: 32

約数和(自身を含む): 182975760

約数和(自身を除く): 102274520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 15401, 30802, 61604, 77005, 123208, 154010, 308020, 616040, 2017531, 4035062, 8070124, 10087655, 16140248, 20175310, 40350620, 80701240]

約数ペア:

[(1, 80701240), (2, 40350620), (4, 20175310), (5, 16140248), (8, 10087655), (10, 8070124), (20, 4035062), (40, 2017531), (131, 616040), (262, 308020), (524, 154010), (655, 123208), (1048, 77005), (1310, 61604), (2620, 30802), (5240, 15401)]