387942320

素因数分解:

$2^4\times 5^1\times {\mathrm{4849279}}^1$

素因数の和:4849292

約数の個数: 20

約数和(自身を含む): 901966080

約数和(自身を除く): 514023760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4849279, 9698558, 19397116, 24246395, 38794232, 48492790, 77588464, 96985580, 193971160, 387942320]

約数ペア:

[(1, 387942320), (2, 193971160), (4, 96985580), (5, 77588464), (8, 48492790), (10, 38794232), (16, 24246395), (20, 19397116), (40, 9698558), (80, 4849279)]