203513360

素因数分解:

$2^4\times 5^1\times {\mathrm{2543917}}^1$

素因数の和:2543930

約数の個数: 20

約数和(自身を含む): 473168748

約数和(自身を除く): 269655388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2543917, 5087834, 10175668, 12719585, 20351336, 25439170, 40702672, 50878340, 101756680, 203513360]

約数ペア:

[(1, 203513360), (2, 101756680), (4, 50878340), (5, 40702672), (8, 25439170), (10, 20351336), (16, 12719585), (20, 10175668), (40, 5087834), (80, 2543917)]