12835997480

素因数分解:

$2^3\times 5^1\times {\mathrm{320899937}}^1$

素因数の和:320899948

約数の個数: 16

約数和(自身を含む): 28880994420

約数和(自身を除く): 16044996940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 320899937, 641799874, 1283599748, 1604499685, 2567199496, 3208999370, 6417998740, 12835997480]

約数ペア:

[(1, 12835997480), (2, 6417998740), (4, 3208999370), (5, 2567199496), (8, 1604499685), (10, 1283599748), (20, 641799874), (40, 320899937)]