25541020

素因数分解:

$2^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{2909}}^1$

素因数の和:3357

約数の個数: 24

約数和(自身を含む): 53776800

約数和(自身を除く): 28235780

約数列:

[1, 2, 4, 5, 10, 20, 439, 878, 1756, 2195, 2909, 4390, 5818, 8780, 11636, 14545, 29090, 58180, 1277051, 2554102, 5108204, 6385255, 12770510, 25541020]

約数ペア:

[(1, 25541020), (2, 12770510), (4, 6385255), (5, 5108204), (10, 2554102), (20, 1277051), (439, 58180), (878, 29090), (1756, 14545), (2195, 11636), (2909, 8780), (4390, 5818)]