1295120

素因数分解:

$2^4\times 5^1\times {\mathrm{16189}}^1$

素因数の和:16202

約数の個数: 20

約数和(自身を含む): 3011340

約数和(自身を除く): 1716220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16189, 32378, 64756, 80945, 129512, 161890, 259024, 323780, 647560, 1295120]

約数ペア:

[(1, 1295120), (2, 647560), (4, 323780), (5, 259024), (8, 161890), (10, 129512), (16, 80945), (20, 64756), (40, 32378), (80, 16189)]