30126280

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{7457}}^1$

素因数の和:7569

約数の個数: 32

約数和(自身を含む): 68464440

約数和(自身を除く): 38338160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 7457, 14914, 29828, 37285, 59656, 74570, 149140, 298280, 753157, 1506314, 3012628, 3765785, 6025256, 7531570, 15063140, 30126280]

約数ペア:

[(1, 30126280), (2, 15063140), (4, 7531570), (5, 6025256), (8, 3765785), (10, 3012628), (20, 1506314), (40, 753157), (101, 298280), (202, 149140), (404, 74570), (505, 59656), (808, 37285), (1010, 29828), (2020, 14914), (4040, 7457)]