16689520

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{911}}^1$

素因数の和:1153

約数の個数: 40

約数和(自身を含む): 39015360

約数和(自身を除く): 22325840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 911, 916, 1145, 1822, 1832, 2290, 3644, 3664, 4555, 4580, 7288, 9110, 9160, 14576, 18220, 18320, 36440, 72880, 208619, 417238, 834476, 1043095, 1668952, 2086190, 3337904, 4172380, 8344760, 16689520]

約数ペア:

[(1, 16689520), (2, 8344760), (4, 4172380), (5, 3337904), (8, 2086190), (10, 1668952), (16, 1043095), (20, 834476), (40, 417238), (80, 208619), (229, 72880), (458, 36440), (911, 18320), (916, 18220), (1145, 14576), (1822, 9160), (1832, 9110), (2290, 7288), (3644, 4580), (3664, 4555)]