28388820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{473147}}^1$

素因数の和:473159

約数の個数: 24

約数和(自身を含む): 79488864

約数和(自身を除く): 51100044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 473147, 946294, 1419441, 1892588, 2365735, 2838882, 4731470, 5677764, 7097205, 9462940, 14194410, 28388820]

約数ペア:

[(1, 28388820), (2, 14194410), (3, 9462940), (4, 7097205), (5, 5677764), (6, 4731470), (10, 2838882), (12, 2365735), (15, 1892588), (20, 1419441), (30, 946294), (60, 473147)]