40489520

素因数分解:

$2^4\times 5^1\times {\mathrm{506119}}^1$

素因数の和:506132

約数の個数: 20

約数和(自身を含む): 94138320

約数和(自身を除く): 53648800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 506119, 1012238, 2024476, 2530595, 4048952, 5061190, 8097904, 10122380, 20244760, 40489520]

約数ペア:

[(1, 40489520), (2, 20244760), (4, 10122380), (5, 8097904), (8, 5061190), (10, 4048952), (16, 2530595), (20, 2024476), (40, 1012238), (80, 506119)]