20128480

素因数分解:

$2^5\times 5^1\times {\mathrm{125803}}^1$

素因数の和:125818

約数の個数: 24

約数和(自身を含む): 47553912

約数和(自身を除く): 27425432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 125803, 251606, 503212, 629015, 1006424, 1258030, 2012848, 2516060, 4025696, 5032120, 10064240, 20128480]

約数ペア:

[(1, 20128480), (2, 10064240), (4, 5032120), (5, 4025696), (8, 2516060), (10, 2012848), (16, 1258030), (20, 1006424), (32, 629015), (40, 503212), (80, 251606), (160, 125803)]