40416280

素因数分解:

$2^3\times 5^1\times {\mathrm{1010407}}^1$

素因数の和:1010418

約数の個数: 16

約数和(自身を含む): 90936720

約数和(自身を除く): 50520440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1010407, 2020814, 4041628, 5052035, 8083256, 10104070, 20208140, 40416280]

約数ペア:

[(1, 40416280), (2, 20208140), (4, 10104070), (5, 8083256), (8, 5052035), (10, 4041628), (20, 2020814), (40, 1010407)]