80332590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{205981}}^1$

素因数の和:206004

約数の個数: 32

約数和(自身を含む): 207629856

約数和(自身を除く): 127297266

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 205981, 411962, 617943, 1029905, 1235886, 2059810, 2677753, 3089715, 5355506, 6179430, 8033259, 13388765, 16066518, 26777530, 40166295, 80332590]

約数ペア:

[(1, 80332590), (2, 40166295), (3, 26777530), (5, 16066518), (6, 13388765), (10, 8033259), (13, 6179430), (15, 5355506), (26, 3089715), (30, 2677753), (39, 2059810), (65, 1235886), (78, 1029905), (130, 617943), (195, 411962), (390, 205981)]