11217580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{50989}}^1$

素因数の和:51009

約数の個数: 24

約数和(自身を含む): 25698960

約数和(自身を除く): 14481380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 50989, 101978, 203956, 254945, 509890, 560879, 1019780, 1121758, 2243516, 2804395, 5608790, 11217580]

約数ペア:

[(1, 11217580), (2, 5608790), (4, 2804395), (5, 2243516), (10, 1121758), (11, 1019780), (20, 560879), (22, 509890), (44, 254945), (55, 203956), (110, 101978), (220, 50989)]