66138080

素因数分解:

$2^5\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1171}}^1$

素因数の和:1539

約数の個数: 48

約数和(自身を含む): 156827664

約数和(自身を除く): 90689584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 353, 706, 1171, 1412, 1765, 2342, 2824, 3530, 4684, 5648, 5855, 7060, 9368, 11296, 11710, 14120, 18736, 23420, 28240, 37472, 46840, 56480, 93680, 187360, 413363, 826726, 1653452, 2066815, 3306904, 4133630, 6613808, 8267260, 13227616, 16534520, 33069040, 66138080]

約数ペア:

[(1, 66138080), (2, 33069040), (4, 16534520), (5, 13227616), (8, 8267260), (10, 6613808), (16, 4133630), (20, 3306904), (32, 2066815), (40, 1653452), (80, 826726), (160, 413363), (353, 187360), (706, 93680), (1171, 56480), (1412, 46840), (1765, 37472), (2342, 28240), (2824, 23420), (3530, 18736), (4684, 14120), (5648, 11710), (5855, 11296), (7060, 9368)]