71313820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{50221}}^1$

素因数の和:50301

約数の個数: 24

約数和(自身を含む): 151871328

約数和(自身を除く): 80557508

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 50221, 100442, 200884, 251105, 502210, 1004420, 3565691, 7131382, 14262764, 17828455, 35656910, 71313820]

約数ペア:

[(1, 71313820), (2, 35656910), (4, 17828455), (5, 14262764), (10, 7131382), (20, 3565691), (71, 1004420), (142, 502210), (284, 251105), (355, 200884), (710, 100442), (1420, 50221)]