27941980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{1187}}^1$

素因数の和:1314

約数の個数: 48

約数和(自身を含む): 64665216

約数和(自身を除く): 36723236

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 107, 110, 214, 220, 428, 535, 1070, 1177, 1187, 2140, 2354, 2374, 4708, 4748, 5885, 5935, 11770, 11870, 13057, 23540, 23740, 26114, 52228, 65285, 127009, 130570, 254018, 261140, 508036, 635045, 1270090, 1397099, 2540180, 2794198, 5588396, 6985495, 13970990, 27941980]

約数ペア:

[(1, 27941980), (2, 13970990), (4, 6985495), (5, 5588396), (10, 2794198), (11, 2540180), (20, 1397099), (22, 1270090), (44, 635045), (55, 508036), (107, 261140), (110, 254018), (214, 130570), (220, 127009), (428, 65285), (535, 52228), (1070, 26114), (1177, 23740), (1187, 23540), (2140, 13057), (2354, 11870), (2374, 11770), (4708, 5935), (4748, 5885)]