203886160

素因数分解:

$2^4\times 5^1\times {\mathrm{2548577}}^1$

素因数の和:2548590

約数の個数: 20

約数和(自身を含む): 474035508

約数和(自身を除く): 270149348

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2548577, 5097154, 10194308, 12742885, 20388616, 25485770, 40777232, 50971540, 101943080, 203886160]

約数ペア:

[(1, 203886160), (2, 101943080), (4, 50971540), (5, 40777232), (8, 25485770), (10, 20388616), (16, 12742885), (20, 10194308), (40, 5097154), (80, 2548577)]