5155120

素因数分解:

$2^4\times 5^1\times {\mathrm{64439}}^1$

素因数の和:64452

約数の個数: 20

約数和(自身を含む): 11985840

約数和(自身を除く): 6830720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 64439, 128878, 257756, 322195, 515512, 644390, 1031024, 1288780, 2577560, 5155120]

約数ペア:

[(1, 5155120), (2, 2577560), (4, 1288780), (5, 1031024), (8, 644390), (10, 515512), (16, 322195), (20, 257756), (40, 128878), (80, 64439)]