42647140

素因数分解:

$2^2\times 5^1\times {\mathrm{907}}^1\times {\mathrm{2351}}^1$

素因数の和:3267

約数の個数: 24

約数和(自身を含む): 89695872

約数和(自身を除く): 47048732

約数列:

[1, 2, 4, 5, 10, 20, 907, 1814, 2351, 3628, 4535, 4702, 9070, 9404, 11755, 18140, 23510, 47020, 2132357, 4264714, 8529428, 10661785, 21323570, 42647140]

約数ペア:

[(1, 42647140), (2, 21323570), (4, 10661785), (5, 8529428), (10, 4264714), (20, 2132357), (907, 47020), (1814, 23510), (2351, 18140), (3628, 11755), (4535, 9404), (4702, 9070)]