219696560

素因数分解:

$2^4\times 5^1\times {\mathrm{2746207}}^1$

素因数の和:2746220

約数の個数: 20

約数和(自身を含む): 510794688

約数和(自身を除く): 291098128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2746207, 5492414, 10984828, 13731035, 21969656, 27462070, 43939312, 54924140, 109848280, 219696560]

約数ペア:

[(1, 219696560), (2, 109848280), (4, 54924140), (5, 43939312), (8, 27462070), (10, 21969656), (16, 13731035), (20, 10984828), (40, 5492414), (80, 2746207)]