156639842020

素因数分解:

$2^2\times 5^1\times {\mathrm{28351}}^1\times {\mathrm{276251}}^1$

素因数の和:304611

約数の個数: 24

約数和(自身を含む): 328956461568

約数和(自身を除く): 172316619548

約数列:

[1, 2, 4, 5, 10, 20, 28351, 56702, 113404, 141755, 276251, 283510, 552502, 567020, 1105004, 1381255, 2762510, 5525020, 7831992101, 15663984202, 31327968404, 39159960505, 78319921010, 156639842020]

約数ペア:

[(1, 156639842020), (2, 78319921010), (4, 39159960505), (5, 31327968404), (10, 15663984202), (20, 7831992101), (28351, 5525020), (56702, 2762510), (113404, 1381255), (141755, 1105004), (276251, 567020), (283510, 552502)]