80726240

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{72077}}^1$

素因数の和:72099

約数の個数: 48

約数和(自身を含む): 217963872

約数和(自身を除く): 137237632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 72077, 144154, 288308, 360385, 504539, 576616, 720770, 1009078, 1153232, 1441540, 2018156, 2306464, 2522695, 2883080, 4036312, 5045390, 5766160, 8072624, 10090780, 11532320, 16145248, 20181560, 40363120, 80726240]

約数ペア:

[(1, 80726240), (2, 40363120), (4, 20181560), (5, 16145248), (7, 11532320), (8, 10090780), (10, 8072624), (14, 5766160), (16, 5045390), (20, 4036312), (28, 2883080), (32, 2522695), (35, 2306464), (40, 2018156), (56, 1441540), (70, 1153232), (80, 1009078), (112, 720770), (140, 576616), (160, 504539), (224, 360385), (280, 288308), (560, 144154), (1120, 72077)]