15431120

素因数分解:

$2^4\times 5^1\times {\mathrm{192889}}^1$

素因数の和:192902

約数の個数: 20

約数和(自身を含む): 35877540

約数和(自身を除く): 20446420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 192889, 385778, 771556, 964445, 1543112, 1928890, 3086224, 3857780, 7715560, 15431120]

約数ペア:

[(1, 15431120), (2, 7715560), (4, 3857780), (5, 3086224), (8, 1928890), (10, 1543112), (16, 964445), (20, 771556), (40, 385778), (80, 192889)]