71332540

素因数分解:

$2^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{4021}}^1$

素因数の和:4917

約数の個数: 24

約数和(自身を含む): 150004512

約数和(自身を除く): 78671972

約数列:

[1, 2, 4, 5, 10, 20, 887, 1774, 3548, 4021, 4435, 8042, 8870, 16084, 17740, 20105, 40210, 80420, 3566627, 7133254, 14266508, 17833135, 35666270, 71332540]

約数ペア:

[(1, 71332540), (2, 35666270), (4, 17833135), (5, 14266508), (10, 7133254), (20, 3566627), (887, 80420), (1774, 40210), (3548, 20105), (4021, 17740), (4435, 16084), (8042, 8870)]