2188202320

素因数分解:

$2^4\times 5^1\times {\mathrm{27352529}}^1$

素因数の和:27352542

約数の個数: 20

約数和(自身を含む): 5087570580

約数和(自身を除く): 2899368260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 27352529, 54705058, 109410116, 136762645, 218820232, 273525290, 437640464, 547050580, 1094101160, 2188202320]

約数ペア:

[(1, 2188202320), (2, 1094101160), (4, 547050580), (5, 437640464), (8, 273525290), (10, 218820232), (16, 136762645), (20, 109410116), (40, 54705058), (80, 27352529)]