140942020

素因数分解:

$2^2\times 5^1\times {\mathrm{977}}^1\times {\mathrm{7213}}^1$

素因数の和:8199

約数の個数: 24

約数和(自身を含む): 296322264

約数和(自身を除く): 155380244

約数列:

[1, 2, 4, 5, 10, 20, 977, 1954, 3908, 4885, 7213, 9770, 14426, 19540, 28852, 36065, 72130, 144260, 7047101, 14094202, 28188404, 35235505, 70471010, 140942020]

約数ペア:

[(1, 140942020), (2, 70471010), (4, 35235505), (5, 28188404), (10, 14094202), (20, 7047101), (977, 144260), (1954, 72130), (3908, 36065), (4885, 28852), (7213, 19540), (9770, 14426)]