80018690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{3727}}^1$

素因数の和:3866

約数の個数: 32

約数和(自身を含む): 152997120

約数和(自身を除く): 72978430

約数列:

[1, 2, 5, 10, 19, 38, 95, 113, 190, 226, 565, 1130, 2147, 3727, 4294, 7454, 10735, 18635, 21470, 37270, 70813, 141626, 354065, 421151, 708130, 842302, 2105755, 4211510, 8001869, 16003738, 40009345, 80018690]

約数ペア:

[(1, 80018690), (2, 40009345), (5, 16003738), (10, 8001869), (19, 4211510), (38, 2105755), (95, 842302), (113, 708130), (190, 421151), (226, 354065), (565, 141626), (1130, 70813), (2147, 37270), (3727, 21470), (4294, 18635), (7454, 10735)]