4896280

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1123}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 11127600

約数和(自身を除く): 6231320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 1123, 2180, 2246, 4360, 4492, 5615, 8984, 11230, 22460, 44920, 122407, 244814, 489628, 612035, 979256, 1224070, 2448140, 4896280]

約数ペア:

[(1, 4896280), (2, 2448140), (4, 1224070), (5, 979256), (8, 612035), (10, 489628), (20, 244814), (40, 122407), (109, 44920), (218, 22460), (436, 11230), (545, 8984), (872, 5615), (1090, 4492), (1123, 4360), (2180, 2246)]