20191168880

素因数分解:

$2^4\times 5^1\times {\mathrm{252389611}}^1$

素因数の和:252389624

約数の個数: 20

約数和(自身を含む): 46944467832

約数和(自身を除く): 26753298952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252389611, 504779222, 1009558444, 1261948055, 2019116888, 2523896110, 4038233776, 5047792220, 10095584440, 20191168880]

約数ペア:

[(1, 20191168880), (2, 10095584440), (4, 5047792220), (5, 4038233776), (8, 2523896110), (10, 2019116888), (16, 1261948055), (20, 1009558444), (40, 504779222), (80, 252389611)]