11544440

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{1123}}^1$

素因数の和:1391

約数の個数: 32

約数和(自身を含む): 26099280

約数和(自身を除く): 14554840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1123, 1285, 2056, 2246, 2570, 4492, 5140, 5615, 8984, 10280, 11230, 22460, 44920, 288611, 577222, 1154444, 1443055, 2308888, 2886110, 5772220, 11544440]

約数ペア:

[(1, 11544440), (2, 5772220), (4, 2886110), (5, 2308888), (8, 1443055), (10, 1154444), (20, 577222), (40, 288611), (257, 44920), (514, 22460), (1028, 11230), (1123, 10280), (1285, 8984), (2056, 5615), (2246, 5140), (2570, 4492)]