10989888920

素因数分解:

$2^3\times 5^1\times {\mathrm{2207}}^1\times {\mathrm{124489}}^1$

素因数の和:126707

約数の個数: 32

約数和(自身を含む): 24738652800

約数和(自身を除く): 13748763880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2207, 4414, 8828, 11035, 17656, 22070, 44140, 88280, 124489, 248978, 497956, 622445, 995912, 1244890, 2489780, 4979560, 274747223, 549494446, 1098988892, 1373736115, 2197977784, 2747472230, 5494944460, 10989888920]

約数ペア:

[(1, 10989888920), (2, 5494944460), (4, 2747472230), (5, 2197977784), (8, 1373736115), (10, 1098988892), (20, 549494446), (40, 274747223), (2207, 4979560), (4414, 2489780), (8828, 1244890), (11035, 995912), (17656, 622445), (22070, 497956), (44140, 248978), (88280, 124489)]