2049278890

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^2\times {\mathrm{20089}}^1$

素因数の和:20298

約数の個数: 24

約数和(自身を含む): 3725770860

約数和(自身を除く): 1676491970

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 10201, 20089, 20402, 40178, 51005, 100445, 102010, 200890, 2028989, 4057978, 10144945, 20289890, 204927889, 409855778, 1024639445, 2049278890]

約数ペア:

[(1, 2049278890), (2, 1024639445), (5, 409855778), (10, 204927889), (101, 20289890), (202, 10144945), (505, 4057978), (1010, 2028989), (10201, 200890), (20089, 102010), (20402, 100445), (40178, 51005)]