39047860

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21937}}^1$

素因数の和:22035

約数の個数: 24

約数和(自身を含む): 82925640

約数和(自身を除く): 43877780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 21937, 43874, 87748, 109685, 219370, 438740, 1952393, 3904786, 7809572, 9761965, 19523930, 39047860]

約数ペア:

[(1, 39047860), (2, 19523930), (4, 9761965), (5, 7809572), (10, 3904786), (20, 1952393), (89, 438740), (178, 219370), (356, 109685), (445, 87748), (890, 43874), (1780, 21937)]