10820560

素因数分解:

$2^4\times 5^1\times {\mathrm{135257}}^1$

素因数の和:135270

約数の個数: 20

約数和(自身を含む): 25157988

約数和(自身を除く): 14337428

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 135257, 270514, 541028, 676285, 1082056, 1352570, 2164112, 2705140, 5410280, 10820560]

約数ペア:

[(1, 10820560), (2, 5410280), (4, 2705140), (5, 2164112), (8, 1352570), (10, 1082056), (16, 676285), (20, 541028), (40, 270514), (80, 135257)]