201912280

素因数分解:

$2^3\times 5^1\times {\mathrm{5047807}}^1$

素因数の和:5047818

約数の個数: 16

約数和(自身を含む): 454302720

約数和(自身を除く): 252390440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5047807, 10095614, 20191228, 25239035, 40382456, 50478070, 100956140, 201912280]

約数ペア:

[(1, 201912280), (2, 100956140), (4, 50478070), (5, 40382456), (8, 25239035), (10, 20191228), (20, 10095614), (40, 5047807)]