20592152080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{39827}}^1$

素因数の和:40144

約数の個数: 80

約数和(自身を含む): 50137398144

約数和(自身を除く): 29545246064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 281, 368, 460, 562, 920, 1124, 1405, 1840, 2248, 2810, 4496, 5620, 6463, 11240, 12926, 22480, 25852, 32315, 39827, 51704, 64630, 79654, 103408, 129260, 159308, 199135, 258520, 318616, 398270, 517040, 637232, 796540, 916021, 1593080, 1832042, 3186160, 3664084, 4580105, 7328168, 9160210, 11191387, 14656336, 18320420, 22382774, 36640840, 44765548, 55956935, 73281680, 89531096, 111913870, 179062192, 223827740, 257401901, 447655480, 514803802, 895310960, 1029607604, 1287009505, 2059215208, 2574019010, 4118430416, 5148038020, 10296076040, 20592152080]

約数ペア:

[(1, 20592152080), (2, 10296076040), (4, 5148038020), (5, 4118430416), (8, 2574019010), (10, 2059215208), (16, 1287009505), (20, 1029607604), (23, 895310960), (40, 514803802), (46, 447655480), (80, 257401901), (92, 223827740), (115, 179062192), (184, 111913870), (230, 89531096), (281, 73281680), (368, 55956935), (460, 44765548), (562, 36640840), (920, 22382774), (1124, 18320420), (1405, 14656336), (1840, 11191387), (2248, 9160210), (2810, 7328168), (4496, 4580105), (5620, 3664084), (6463, 3186160), (11240, 1832042), (12926, 1593080), (22480, 916021), (25852, 796540), (32315, 637232), (39827, 517040), (51704, 398270), (64630, 318616), (79654, 258520), (103408, 199135), (129260, 159308)]