28880450140

素因数分解:

$2^2\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{1323577}}^1$

素因数の和:1324677

約数の個数: 24

約数和(自身を含む): 60704581392

約数和(自身を除く): 31824131252

約数列:

[1, 2, 4, 5, 10, 20, 1091, 2182, 4364, 5455, 10910, 21820, 1323577, 2647154, 5294308, 6617885, 13235770, 26471540, 1444022507, 2888045014, 5776090028, 7220112535, 14440225070, 28880450140]

約数ペア:

[(1, 28880450140), (2, 14440225070), (4, 7220112535), (5, 5776090028), (10, 2888045014), (20, 1444022507), (1091, 26471540), (2182, 13235770), (4364, 6617885), (5455, 5294308), (10910, 2647154), (21820, 1323577)]