72906160

素因数分解:

$2^4\times 5^1\times {\mathrm{911327}}^1$

素因数の和:911340

約数の個数: 20

約数和(自身を含む): 169507008

約数和(自身を除く): 96600848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 911327, 1822654, 3645308, 4556635, 7290616, 9113270, 14581232, 18226540, 36453080, 72906160]

約数ペア:

[(1, 72906160), (2, 36453080), (4, 18226540), (5, 14581232), (8, 9113270), (10, 7290616), (16, 4556635), (20, 3645308), (40, 1822654), (80, 911327)]