40456280

素因数分解:

$2^3\times 5^1\times {\mathrm{1011407}}^1$

素因数の和:1011418

約数の個数: 16

約数和(自身を含む): 91026720

約数和(自身を除く): 50570440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1011407, 2022814, 4045628, 5057035, 8091256, 10114070, 20228140, 40456280]

約数ペア:

[(1, 40456280), (2, 20228140), (4, 10114070), (5, 8091256), (8, 5057035), (10, 4045628), (20, 2022814), (40, 1011407)]