5161040

素因数分解:

$2^4\times 5^1\times {\mathrm{64513}}^1$

素因数の和:64526

約数の個数: 20

約数和(自身を含む): 11999604

約数和(自身を除く): 6838564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 64513, 129026, 258052, 322565, 516104, 645130, 1032208, 1290260, 2580520, 5161040]

約数ペア:

[(1, 5161040), (2, 2580520), (4, 1290260), (5, 1032208), (8, 645130), (10, 516104), (16, 322565), (20, 258052), (40, 129026), (80, 64513)]