80765008

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1319}}^1$

素因数の和:1459

約数の個数: 40

約数和(自身を含む): 162043200

約数和(自身を除く): 81278192

約数列:

[1, 2, 4, 8, 16, 43, 86, 89, 172, 178, 344, 356, 688, 712, 1319, 1424, 2638, 3827, 5276, 7654, 10552, 15308, 21104, 30616, 56717, 61232, 113434, 117391, 226868, 234782, 453736, 469564, 907472, 939128, 1878256, 5047813, 10095626, 20191252, 40382504, 80765008]

約数ペア:

[(1, 80765008), (2, 40382504), (4, 20191252), (8, 10095626), (16, 5047813), (43, 1878256), (86, 939128), (89, 907472), (172, 469564), (178, 453736), (344, 234782), (356, 226868), (688, 117391), (712, 113434), (1319, 61232), (1424, 56717), (2638, 30616), (3827, 21104), (5276, 15308), (7654, 10552)]