51107120

素因数分解:

$2^4\times 5^1\times {\mathrm{638839}}^1$

素因数の和:638852

約数の個数: 20

約数和(自身を含む): 118824240

約数和(自身を除く): 67717120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 638839, 1277678, 2555356, 3194195, 5110712, 6388390, 10221424, 12776780, 25553560, 51107120]

約数ペア:

[(1, 51107120), (2, 25553560), (4, 12776780), (5, 10221424), (8, 6388390), (10, 5110712), (16, 3194195), (20, 2555356), (40, 1277678), (80, 638839)]