11980210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{9901}}^1$

素因数の和:9930

約数の個数: 24

約数和(自身を含む): 23705388

約数和(自身を除く): 11725178

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 9901, 19802, 49505, 99010, 108911, 217822, 544555, 1089110, 1198021, 2396042, 5990105, 11980210]

約数ペア:

[(1, 11980210), (2, 5990105), (5, 2396042), (10, 1198021), (11, 1089110), (22, 544555), (55, 217822), (110, 108911), (121, 99010), (242, 49505), (605, 19802), (1210, 9901)]