72468380

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{9127}}^1$

素因数の和:9533

約数の個数: 24

約数和(自身を含む): 152583648

約数和(自身を除く): 80115268

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 3970, 7940, 9127, 18254, 36508, 45635, 91270, 182540, 3623419, 7246838, 14493676, 18117095, 36234190, 72468380]

約数ペア:

[(1, 72468380), (2, 36234190), (4, 18117095), (5, 14493676), (10, 7246838), (20, 3623419), (397, 182540), (794, 91270), (1588, 45635), (1985, 36508), (3970, 18254), (7940, 9127)]