39514340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27827}}^1$

素因数の和:27907

約数の個数: 24

約数和(自身を含む): 84151872

約数和(自身を除く): 44637532

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 27827, 55654, 111308, 139135, 278270, 556540, 1975717, 3951434, 7902868, 9878585, 19757170, 39514340]

約数ペア:

[(1, 39514340), (2, 19757170), (4, 9878585), (5, 7902868), (10, 3951434), (20, 1975717), (71, 556540), (142, 278270), (284, 139135), (355, 111308), (710, 55654), (1420, 27827)]