205472080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12289}}^1$

素因数の和:12332

約数の個数: 80

約数和(自身を含む): 548625600

約数和(自身を除く): 343153520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 8360, 12289, 16720, 24578, 49156, 61445, 98312, 122890, 135179, 196624, 233491, 245780, 270358, 466982, 491560, 540716, 675895, 933964, 983120, 1081432, 1167455, 1351790, 1867928, 2162864, 2334910, 2568401, 2703580, 3735856, 4669820, 5136802, 5407160, 9339640, 10273604, 10814320, 12842005, 18679280, 20547208, 25684010, 41094416, 51368020, 102736040, 205472080]

約数ペア:

[(1, 205472080), (2, 102736040), (4, 51368020), (5, 41094416), (8, 25684010), (10, 20547208), (11, 18679280), (16, 12842005), (19, 10814320), (20, 10273604), (22, 9339640), (38, 5407160), (40, 5136802), (44, 4669820), (55, 3735856), (76, 2703580), (80, 2568401), (88, 2334910), (95, 2162864), (110, 1867928), (152, 1351790), (176, 1167455), (190, 1081432), (209, 983120), (220, 933964), (304, 675895), (380, 540716), (418, 491560), (440, 466982), (760, 270358), (836, 245780), (880, 233491), (1045, 196624), (1520, 135179), (1672, 122890), (2090, 98312), (3344, 61445), (4180, 49156), (8360, 24578), (12289, 16720)]