28671560

素因数分解:

$2^3\times 5^1\times {\mathrm{716789}}^1$

素因数の和:716800

約数の個数: 16

約数和(自身を含む): 64511100

約数和(自身を除く): 35839540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 716789, 1433578, 2867156, 3583945, 5734312, 7167890, 14335780, 28671560]

約数ペア:

[(1, 28671560), (2, 14335780), (4, 7167890), (5, 5734312), (8, 3583945), (10, 2867156), (20, 1433578), (40, 716789)]