88988180

素因数分解:

$2^2\times 5^1\times {\mathrm{4449409}}^1$

素因数の和:4449418

約数の個数: 12

約数和(自身を含む): 186875220

約数和(自身を除く): 97887040

約数列:

[1, 2, 4, 5, 10, 20, 4449409, 8898818, 17797636, 22247045, 44494090, 88988180]

約数ペア:

[(1, 88988180), (2, 44494090), (4, 22247045), (5, 17797636), (10, 8898818), (20, 4449409)]