28799560

素因数分解:

$2^3\times 5^1\times {\mathrm{719989}}^1$

素因数の和:720000

約数の個数: 16

約数和(自身を含む): 64799100

約数和(自身を除く): 35999540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 719989, 1439978, 2879956, 3599945, 5759912, 7199890, 14399780, 28799560]

約数ペア:

[(1, 28799560), (2, 14399780), (4, 7199890), (5, 5759912), (8, 3599945), (10, 2879956), (20, 1439978), (40, 719989)]