28266980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201907}}^1$

素因数の和:201923

約数の個数: 24

約数和(自身を含む): 67841088

約数和(自身を除く): 39574108

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201907, 403814, 807628, 1009535, 1413349, 2019070, 2826698, 4038140, 5653396, 7066745, 14133490, 28266980]

約数ペア:

[(1, 28266980), (2, 14133490), (4, 7066745), (5, 5653396), (7, 4038140), (10, 2826698), (14, 2019070), (20, 1413349), (28, 1009535), (35, 807628), (70, 403814), (140, 201907)]