28763600

素因数分解:

$2^4\times 5^2\times {\mathrm{71909}}^1$

素因数の和:71927

約数の個数: 30

約数和(自身を含む): 69105510

約数和(自身を除く): 40341910

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 71909, 143818, 287636, 359545, 575272, 719090, 1150544, 1438180, 1797725, 2876360, 3595450, 5752720, 7190900, 14381800, 28763600]

約数ペア:

[(1, 28763600), (2, 14381800), (4, 7190900), (5, 5752720), (8, 3595450), (10, 2876360), (16, 1797725), (20, 1438180), (25, 1150544), (40, 719090), (50, 575272), (80, 359545), (100, 287636), (200, 143818), (400, 71909)]