28265020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201893}}^1$

素因数の和:201909

約数の個数: 24

約数和(自身を含む): 67836384

約数和(自身を除く): 39571364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201893, 403786, 807572, 1009465, 1413251, 2018930, 2826502, 4037860, 5653004, 7066255, 14132510, 28265020]

約数ペア:

[(1, 28265020), (2, 14132510), (4, 7066255), (5, 5653004), (7, 4037860), (10, 2826502), (14, 2018930), (20, 1413251), (28, 1009465), (35, 807572), (70, 403786), (140, 201893)]