5471120

素因数分解:

$2^4\times 5^1\times {\mathrm{68389}}^1$

素因数の和:68402

約数の個数: 20

約数和(自身を含む): 12720540

約数和(自身を除く): 7249420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 68389, 136778, 273556, 341945, 547112, 683890, 1094224, 1367780, 2735560, 5471120]

約数ペア:

[(1, 5471120), (2, 2735560), (4, 1367780), (5, 1094224), (8, 683890), (10, 547112), (16, 341945), (20, 273556), (40, 136778), (80, 68389)]