7892140

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3907}}^1$

素因数の和:4017

約数の個数: 24

約数和(自身を含む): 16741872

約数和(自身を除く): 8849732

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 3907, 7814, 15628, 19535, 39070, 78140, 394607, 789214, 1578428, 1973035, 3946070, 7892140]

約数ペア:

[(1, 7892140), (2, 3946070), (4, 1973035), (5, 1578428), (10, 789214), (20, 394607), (101, 78140), (202, 39070), (404, 19535), (505, 15628), (1010, 7814), (2020, 3907)]