2051120

素因数分解:

$2^4\times 5^1\times {\mathrm{25639}}^1$

素因数の和:25652

約数の個数: 20

約数和(自身を含む): 4769040

約数和(自身を除く): 2717920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25639, 51278, 102556, 128195, 205112, 256390, 410224, 512780, 1025560, 2051120]

約数ペア:

[(1, 2051120), (2, 1025560), (4, 512780), (5, 410224), (8, 256390), (10, 205112), (16, 128195), (20, 102556), (40, 51278), (80, 25639)]