40904860

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{2027}}^1$

素因数の和:3045

約数の個数: 24

約数和(自身を含む): 86027760

約数和(自身を除く): 45122900

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 2027, 4036, 4054, 5045, 8108, 10090, 10135, 20180, 20270, 40540, 2045243, 4090486, 8180972, 10226215, 20452430, 40904860]

約数ペア:

[(1, 40904860), (2, 20452430), (4, 10226215), (5, 8180972), (10, 4090486), (20, 2045243), (1009, 40540), (2018, 20270), (2027, 20180), (4036, 10135), (4054, 10090), (5045, 8108)]