77107780

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{3821}}^1$

素因数の和:4839

約数の個数: 24

約数和(自身を含む): 162129240

約数和(自身を除く): 85021460

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 3821, 4036, 5045, 7642, 10090, 15284, 19105, 20180, 38210, 76420, 3855389, 7710778, 15421556, 19276945, 38553890, 77107780]

約数ペア:

[(1, 77107780), (2, 38553890), (4, 19276945), (5, 15421556), (10, 7710778), (20, 3855389), (1009, 76420), (2018, 38210), (3821, 20180), (4036, 19105), (5045, 15284), (7642, 10090)]