28265440

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{25237}}^1$

素因数の和:25259

約数の個数: 48

約数和(自身を含む): 76319712

約数和(自身を除く): 48054272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 25237, 50474, 100948, 126185, 176659, 201896, 252370, 353318, 403792, 504740, 706636, 807584, 883295, 1009480, 1413272, 1766590, 2018960, 2826544, 3533180, 4037920, 5653088, 7066360, 14132720, 28265440]

約数ペア:

[(1, 28265440), (2, 14132720), (4, 7066360), (5, 5653088), (7, 4037920), (8, 3533180), (10, 2826544), (14, 2018960), (16, 1766590), (20, 1413272), (28, 1009480), (32, 883295), (35, 807584), (40, 706636), (56, 504740), (70, 403792), (80, 353318), (112, 252370), (140, 201896), (160, 176659), (224, 126185), (280, 100948), (560, 50474), (1120, 25237)]