39488780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27809}}^1$

素因数の和:27889

約数の個数: 24

約数和(自身を含む): 84097440

約数和(自身を除く): 44608660

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 27809, 55618, 111236, 139045, 278090, 556180, 1974439, 3948878, 7897756, 9872195, 19744390, 39488780]

約数ペア:

[(1, 39488780), (2, 19744390), (4, 9872195), (5, 7897756), (10, 3948878), (20, 1974439), (71, 556180), (142, 278090), (284, 139045), (355, 111236), (710, 55618), (1420, 27809)]