2647878340

素因数分解:

$2^2\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{131213}}^1$

素因数の和:132231

約数の個数: 24

約数和(自身を含む): 5566097880

約数和(自身を除く): 2918219540

約数列:

[1, 2, 4, 5, 10, 20, 1009, 2018, 4036, 5045, 10090, 20180, 131213, 262426, 524852, 656065, 1312130, 2624260, 132393917, 264787834, 529575668, 661969585, 1323939170, 2647878340]

約数ペア:

[(1, 2647878340), (2, 1323939170), (4, 661969585), (5, 529575668), (10, 264787834), (20, 132393917), (1009, 2624260), (2018, 1312130), (4036, 656065), (5045, 524852), (10090, 262426), (20180, 131213)]