1981360

素因数分解:

$2^4\times 5^1\times {\mathrm{24767}}^1$

素因数の和:24780

約数の個数: 20

約数和(自身を含む): 4606848

約数和(自身を除く): 2625488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 24767, 49534, 99068, 123835, 198136, 247670, 396272, 495340, 990680, 1981360]

約数ペア:

[(1, 1981360), (2, 990680), (4, 495340), (5, 396272), (8, 247670), (10, 198136), (16, 123835), (20, 99068), (40, 49534), (80, 24767)]