2821840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{5039}}^1$

素因数の和:5059

約数の個数: 40

約数和(自身を含む): 7499520

約数和(自身を除く): 4677680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 5039, 10078, 20156, 25195, 35273, 40312, 50390, 70546, 80624, 100780, 141092, 176365, 201560, 282184, 352730, 403120, 564368, 705460, 1410920, 2821840]

約数ペア:

[(1, 2821840), (2, 1410920), (4, 705460), (5, 564368), (7, 403120), (8, 352730), (10, 282184), (14, 201560), (16, 176365), (20, 141092), (28, 100780), (35, 80624), (40, 70546), (56, 50390), (70, 40312), (80, 35273), (112, 25195), (140, 20156), (280, 10078), (560, 5039)]