87600680

素因数分解:

$2^3\times 5^1\times {\mathrm{2190017}}^1$

素因数の和:2190028

約数の個数: 16

約数和(自身を含む): 197101620

約数和(自身を除く): 109500940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2190017, 4380034, 8760068, 10950085, 17520136, 21900170, 43800340, 87600680]

約数ペア:

[(1, 87600680), (2, 43800340), (4, 21900170), (5, 17520136), (8, 10950085), (10, 8760068), (20, 4380034), (40, 2190017)]