5208020

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2389}}^1$

素因数の和:2507

約数の個数: 24

約数和(自身を含む): 11041800

約数和(自身を除く): 5833780

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 2389, 4778, 9556, 11945, 23890, 47780, 260401, 520802, 1041604, 1302005, 2604010, 5208020]

約数ペア:

[(1, 5208020), (2, 2604010), (4, 1302005), (5, 1041604), (10, 520802), (20, 260401), (109, 47780), (218, 23890), (436, 11945), (545, 9556), (1090, 4778), (2180, 2389)]