66377380

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{977}}^1$

素因数の和:1108

約数の個数: 48

約数和(自身を含む): 144587520

約数和(自身を除く): 78210140

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 790, 860, 977, 1580, 1954, 3397, 3908, 4885, 6794, 9770, 13588, 16985, 19540, 33970, 42011, 67940, 77183, 84022, 154366, 168044, 210055, 308732, 385915, 420110, 771830, 840220, 1543660, 3318869, 6637738, 13275476, 16594345, 33188690, 66377380]

約数ペア:

[(1, 66377380), (2, 33188690), (4, 16594345), (5, 13275476), (10, 6637738), (20, 3318869), (43, 1543660), (79, 840220), (86, 771830), (158, 420110), (172, 385915), (215, 308732), (316, 210055), (395, 168044), (430, 154366), (790, 84022), (860, 77183), (977, 67940), (1580, 42011), (1954, 33970), (3397, 19540), (3908, 16985), (4885, 13588), (6794, 9770)]