1029120140

素因数分解:

$2^2\times 5^1\times {\mathrm{51456007}}^1$

素因数の和:51456016

約数の個数: 12

約数和(自身を含む): 2161152336

約数和(自身を除く): 1132032196

約数列:

[1, 2, 4, 5, 10, 20, 51456007, 102912014, 205824028, 257280035, 514560070, 1029120140]

約数ペア:

[(1, 1029120140), (2, 514560070), (4, 257280035), (5, 205824028), (10, 102912014), (20, 51456007)]