2005340048

素因数分解:

$2^4\times {\mathrm{401}}^1\times {\mathrm{312553}}^1$

素因数の和:312962

約数の個数: 20

約数和(自身を含む): 3895047948

約数和(自身を除く): 1889707900

約数列:

[1, 2, 4, 8, 16, 401, 802, 1604, 3208, 6416, 312553, 625106, 1250212, 2500424, 5000848, 125333753, 250667506, 501335012, 1002670024, 2005340048]

約数ペア:

[(1, 2005340048), (2, 1002670024), (4, 501335012), (8, 250667506), (16, 125333753), (401, 5000848), (802, 2500424), (1604, 1250212), (3208, 625106), (6416, 312553)]