20090800

素因数分解:

$2^4\times 5^2\times {\mathrm{50227}}^1$

素因数の和:50245

約数の個数: 30

約数和(自身を含む): 48269108

約数和(自身を除く): 28178308

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 50227, 100454, 200908, 251135, 401816, 502270, 803632, 1004540, 1255675, 2009080, 2511350, 4018160, 5022700, 10045400, 20090800]

約数ペア:

[(1, 20090800), (2, 10045400), (4, 5022700), (5, 4018160), (8, 2511350), (10, 2009080), (16, 1255675), (20, 1004540), (25, 803632), (40, 502270), (50, 401816), (80, 251135), (100, 200908), (200, 100454), (400, 50227)]