88889560

素因数分解:

$2^3\times 5^1\times {\mathrm{2222239}}^1$

素因数の和:2222250

約数の個数: 16

約数和(自身を含む): 200001600

約数和(自身を除く): 111112040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2222239, 4444478, 8888956, 11111195, 17777912, 22222390, 44444780, 88889560]

約数ペア:

[(1, 88889560), (2, 44444780), (4, 22222390), (5, 17777912), (8, 11111195), (10, 8888956), (20, 4444478), (40, 2222239)]