71403560

素因数分解:

$2^3\times 5^1\times {\mathrm{337}}^1\times {\mathrm{5297}}^1$

素因数の和:5645

約数の個数: 32

約数和(自身を含む): 161165160

約数和(自身を除く): 89761600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 337, 674, 1348, 1685, 2696, 3370, 5297, 6740, 10594, 13480, 21188, 26485, 42376, 52970, 105940, 211880, 1785089, 3570178, 7140356, 8925445, 14280712, 17850890, 35701780, 71403560]

約数ペア:

[(1, 71403560), (2, 35701780), (4, 17850890), (5, 14280712), (8, 8925445), (10, 7140356), (20, 3570178), (40, 1785089), (337, 211880), (674, 105940), (1348, 52970), (1685, 42376), (2696, 26485), (3370, 21188), (5297, 13480), (6740, 10594)]