13723120

素因数分解:

$2^4\times 5^1\times {\mathrm{171539}}^1$

素因数の和:171552

約数の個数: 20

約数和(自身を含む): 31906440

約数和(自身を除く): 18183320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 171539, 343078, 686156, 857695, 1372312, 1715390, 2744624, 3430780, 6861560, 13723120]

約数ペア:

[(1, 13723120), (2, 6861560), (4, 3430780), (5, 2744624), (8, 1715390), (10, 1372312), (16, 857695), (20, 686156), (40, 343078), (80, 171539)]